Weasyl Enhancer от Noxid

extension to tweak the weasyl browsing experience
Features added:
- hovering over thumbnails for 1 second will show a preview of the
submission's description and tags. After a preview has been loaded, the next time you mouse-over the thumb it will appear immediately.
- Large submissions will not have a vertical space larger than the window's height,
and a button has been added to allow you to expand and un-expand it.
- This addon has an options page allowing you to customize its appearance