diff --git a/app/soapbox/components/media-gallery.tsx b/app/soapbox/components/media-gallery.tsx
index 42b961dc1..9244f05d5 100644
--- a/app/soapbox/components/media-gallery.tsx
+++ b/app/soapbox/components/media-gallery.tsx
@@ -160,16 +160,22 @@ const Item: React.FC<IItem> = ({
       </div>
     );
   } else if (attachment.type === 'image') {
-    const letterboxed = shouldLetterbox(attachment);
+    const letterboxed = total === 1 && shouldLetterbox(attachment);
 
     thumbnail = (
       <a
-        className={classNames('media-gallery__item-thumbnail', { letterboxed })}
+        className='media-gallery__item-thumbnail'
         href={attachment.url}
         onClick={handleClick}
         target='_blank'
       >
-        <StillImage src={attachment.url} alt={attachment.description} />
+        <StillImage
+          className='w-full h-full'
+          src={attachment.url}
+          alt={attachment.description}
+          letterboxed={letterboxed}
+          showExt
+        />
       </a>
     );
   } else if (attachment.type === 'gifv') {
diff --git a/app/soapbox/components/profile-hover-card.tsx b/app/soapbox/components/profile-hover-card.tsx
index 367c788e0..8ade427ca 100644
--- a/app/soapbox/components/profile-hover-card.tsx
+++ b/app/soapbox/components/profile-hover-card.tsx
@@ -136,7 +136,7 @@ export const ProfileHoverCard: React.FC<IProfileHoverCard> = ({ visible = true }
               </HStack>
             ) : null}
 
-            {account.source.get('note', '').length > 0 && (
+            {account.note.length > 0 && (
               <Text size='sm' dangerouslySetInnerHTML={accountBio} />
             )}
           </Stack>
diff --git a/app/soapbox/components/still-image.tsx b/app/soapbox/components/still-image.tsx
index 24e212ce5..1f4f1a261 100644
--- a/app/soapbox/components/still-image.tsx
+++ b/app/soapbox/components/still-image.tsx
@@ -12,10 +12,14 @@ interface IStillImage {
   src: string,
   /** Extra CSS styles on the outer <div> element. */
   style?: React.CSSProperties,
+  /** Whether to display the image contained vs filled in its container. */
+  letterboxed?: boolean,
+  /** Whether to show the file extension in the corner. */
+  showExt?: boolean,
 }
 
 /** Renders images on a canvas, only playing GIFs if autoPlayGif is enabled. */
-const StillImage: React.FC<IStillImage> = ({ alt, className, src, style }) => {
+const StillImage: React.FC<IStillImage> = ({ alt, className, src, style, letterboxed = false, showExt = false }) => {
   const settings = useSettings();
   const autoPlayGif = settings.get('autoPlayGif');
 
@@ -34,10 +38,56 @@ const StillImage: React.FC<IStillImage> = ({ alt, className, src, style }) => {
     }
   };
 
+  /** ClassNames shared between the `<img>` and `<canvas>` elements. */
+  const baseClassName = classNames('w-full h-full block', {
+    'object-contain': letterboxed,
+    'object-cover': !letterboxed,
+  });
+
   return (
-    <div data-testid='still-image-container' className={classNames(className, 'still-image', { 'still-image--play-on-hover': hoverToPlay })} style={style}>
-      <img src={src} alt={alt} ref={img} onLoad={handleImageLoad} />
-      {hoverToPlay && <canvas ref={canvas} />}
+    <div
+      data-testid='still-image-container'
+      className={classNames(className, 'relative group overflow-hidden isolate')}
+      style={style}
+    >
+      <img
+        src={src}
+        alt={alt}
+        ref={img}
+        onLoad={handleImageLoad}
+        className={classNames(baseClassName, {
+          'invisible group-hover:visible': hoverToPlay,
+        })}
+      />
+
+      {hoverToPlay && (
+        <canvas
+          ref={canvas}
+          className={classNames(baseClassName, {
+            'group-hover:invisible': hoverToPlay,
+          })}
+        />
+      )}
+
+      {(hoverToPlay && showExt) && (
+        <div className='group-hover:hidden absolute opacity-90 left-2 bottom-2 pointer-events-none'>
+          <ExtensionBadge ext='GIF' />
+        </div>
+      )}
+    </div>
+  );
+};
+
+interface IExtensionBadge {
+  /** File extension. */
+  ext: string,
+}
+
+/** Badge displaying a file extension. */
+const ExtensionBadge: React.FC<IExtensionBadge> = ({ ext }) => {
+  return (
+    <div className='inline-flex items-center px-2 py-0.5 rounded text-sm font-medium bg-gray-100 dark:bg-gray-800 text-gray-900 dark:text-gray-100'>
+      {ext}
     </div>
   );
 };
diff --git a/app/soapbox/components/ui/card/card.tsx b/app/soapbox/components/ui/card/card.tsx
index 59f6ee1bc..a2d181e3a 100644
--- a/app/soapbox/components/ui/card/card.tsx
+++ b/app/soapbox/components/ui/card/card.tsx
@@ -33,7 +33,7 @@ const Card = React.forwardRef<HTMLDivElement, ICard>(({ children, variant = 'def
     ref={ref}
     {...filteredProps}
     className={classNames({
-      'bg-white dark:bg-primary-900 text-gray-900 dark:text-gray-100 shadow-lg dark:shadow-none overflow-hidden': variant === 'rounded',
+      'bg-white dark:bg-primary-900 text-gray-900 dark:text-gray-100 shadow-lg dark:shadow-none overflow-hidden isolate': variant === 'rounded',
       [sizes[size]]: variant === 'rounded',
     }, className)}
   >
diff --git a/app/soapbox/features/account-gallery/components/media-item.tsx b/app/soapbox/features/account-gallery/components/media-item.tsx
index a2a171bfc..4242094b5 100644
--- a/app/soapbox/features/account-gallery/components/media-item.tsx
+++ b/app/soapbox/features/account-gallery/components/media-item.tsx
@@ -74,6 +74,7 @@ const MediaItem: React.FC<IMediaItem> = ({ attachment, displayWidth, onOpenMedia
         src={attachment.preview_url}
         alt={attachment.description}
         style={{ objectPosition: `${x}% ${y}%` }}
+        className='w-full h-full rounded-lg overflow-hidden'
       />
     );
   } else if (['gifv', 'video'].indexOf(attachment.type) !== -1) {
diff --git a/app/soapbox/features/account/components/header.tsx b/app/soapbox/features/account/components/header.tsx
index 4aa4d3b05..d3d7865b6 100644
--- a/app/soapbox/features/account/components/header.tsx
+++ b/app/soapbox/features/account/components/header.tsx
@@ -551,13 +551,12 @@ const Header: React.FC<IHeader> = ({ account }) => {
       )}
 
       <div>
-        <div className='relative h-32 w-full lg:h-48 md:rounded-t-xl bg-gray-200 dark:bg-gray-900/50'>
+        <div className='relative flex flex-col justify-center h-32 w-full lg:h-48 md:rounded-t-xl bg-gray-200 dark:bg-gray-900/50 overflow-hidden isolate'>
           {account.header && (
             <a href={account.header} onClick={handleHeaderClick} target='_blank'>
               <StillImage
                 src={account.header}
                 alt='Profile Header'
-                className='absolute inset-0 object-cover md:rounded-t-xl'
               />
             </a>
           )}
@@ -577,7 +576,7 @@ const Header: React.FC<IHeader> = ({ account }) => {
               <Avatar
                 src={account.avatar}
                 size={96}
-                className='h-24 w-24 rounded-full ring-4 ring-white dark:ring-primary-900'
+                className='relative h-24 w-24 rounded-full ring-4 ring-white dark:ring-primary-900'
               />
             </a>
           </div>
diff --git a/app/soapbox/features/ui/components/user-panel.tsx b/app/soapbox/features/ui/components/user-panel.tsx
index 8f0fbf517..918d94efd 100644
--- a/app/soapbox/features/ui/components/user-panel.tsx
+++ b/app/soapbox/features/ui/components/user-panel.tsx
@@ -36,13 +36,9 @@ const UserPanel: React.FC<IUserPanel> = ({ accountId, action, badges, domain })
     <div className='relative'>
       <Stack space={2}>
         <Stack>
-          <div className='-mt-4 -mx-4 h-24 bg-gray-200 relative'>
+          <div className='-mt-4 -mx-4 h-24 bg-gray-200 relative overflow-hidden'>
             {header && (
-              <StillImage
-                src={account.get('header')}
-                className='absolute inset-0 object-cover'
-                alt=''
-              />
+              <StillImage src={account.header} />
             )}
           </div>
 
diff --git a/app/styles/accounts.scss b/app/styles/accounts.scss
index e4a0833c7..e24a19ddf 100644
--- a/app/styles/accounts.scss
+++ b/app/styles/accounts.scss
@@ -72,10 +72,6 @@ a .account__avatar {
     bottom: 0;
     right: 0;
     z-index: 1;
-
-    &.still-image {
-      position: absolute;
-    }
   }
 }
 
diff --git a/app/styles/application.scss b/app/styles/application.scss
index da62ca314..2d7428ad6 100644
--- a/app/styles/application.scss
+++ b/app/styles/application.scss
@@ -44,7 +44,6 @@
 @import 'components/columns';
 @import 'components/search';
 @import 'components/react-toggle';
-@import 'components/still-image';
 @import 'components/spoiler-button';
 @import 'components/video-player';
 @import 'components/audio-player';
diff --git a/app/styles/chats.scss b/app/styles/chats.scss
index 7c98b11ff..d2f00aeff 100644
--- a/app/styles/chats.scss
+++ b/app/styles/chats.scss
@@ -356,11 +356,6 @@
   &__preview {
     background-color: transparent;
   }
-
-  &__item-thumbnail img,
-  &__item-thumbnail .still-image img {
-    object-fit: contain;
-  }
 }
 
 .chat-messages__divider {
diff --git a/app/styles/components/media-gallery.scss b/app/styles/components/media-gallery.scss
index 664600893..25d953dfa 100644
--- a/app/styles/components/media-gallery.scss
+++ b/app/styles/components/media-gallery.scss
@@ -57,33 +57,8 @@
   line-height: 0;
   position: relative;
   z-index: 1;
-
-  &,
-  .still-image {
-    height: 100%;
-    width: 100%;
-
-    img {
-      @apply object-cover rounded-lg;
-    }
-  }
-
-  .still-image--play-on-hover::before {
-    content: 'GIF';
-    position: absolute;
-    color: var(--primary-text-color);
-    background: var(--foreground-color);
-    bottom: 6px;
-    left: 6px;
-    padding: 2px 6px;
-    border-radius: 2px;
-    font-size: 11px;
-    font-weight: 600;
-    pointer-events: none;
-    opacity: 0.9;
-    transition: opacity 0.1s ease;
-    line-height: 18px;
-  }
+  height: 100%;
+  width: 100%;
 
   video {
     width: 100%;
@@ -92,17 +67,6 @@
   }
 }
 
-.status__wrapper {
-  .media-gallery__item-thumbnail.letterboxed {
-    &,
-    .still-image {
-      img {
-        object-fit: contain;
-      }
-    }
-  }
-}
-
 .media-gallery__preview {
   @apply bg-gray-200 dark:bg-gray-900 rounded-lg;
   width: 100%;
@@ -113,23 +77,6 @@
   left: 0;
   z-index: 0;
 
-  .still-image--play-on-hover::before {
-    content: 'GIF';
-    position: absolute;
-    color: var(--primary-text-color);
-    background: var(--foreground-color);
-    bottom: 6px;
-    left: 6px;
-    padding: 2px 6px;
-    border-radius: 2px;
-    font-size: 11px;
-    font-weight: 600;
-    pointer-events: none;
-    opacity: 0.9;
-    transition: opacity 0.1s ease;
-    line-height: 18px;
-  }
-
   &--hidden {
     display: none;
   }
diff --git a/app/styles/components/still-image.scss b/app/styles/components/still-image.scss
deleted file mode 100644
index 0b86d6ada..000000000
--- a/app/styles/components/still-image.scss
+++ /dev/null
@@ -1,28 +0,0 @@
-.still-image {
-  position: relative;
-  overflow: hidden;
-
-  img,
-  canvas {
-    width: 100%;
-    height: 100%;
-    display: block;
-    object-fit: cover;
-    font-family: inherit;
-  }
-
-  &--play-on-hover {
-    img {
-      position: absolute;
-      visibility: hidden;
-    }
-
-    &:hover img {
-      visibility: visible;
-    }
-
-    &:hover canvas {
-      visibility: hidden;
-    }
-  }
-}