Imagoid is the nicest way to browse images on Reddit.

• Enter a subreddit name to browse images from that subreddit
• Click any image to start a gallery display, then spacebar to start a slide-show, use and to navigate, enter for full-screen mode, esc to exit
• Prepending im to a reddit link allows you to quickly get to this site, e.g., reddit.com/r/pics imreddit.com/r/pics
• Scroll down to load more pictures, if any are available