Haven't had time to read all previous replies, but top thing that comes to mind right away is an option to share a page or share an image ON a page to a particular AWF forum or thread.
Would definitely save me the time of seeing a funny meme and going through the right-click, copy image, find watercooler joke thread, reply, ctrl+v, post.
Plus, you could make one specially for
@Uncle Gizmo "Post This Video to Uncle's Video Spot" !