While not visually snazzy (and I think that’s one of the reasons I like it so much), ClipMenu has a very intuitive approach to managing your clipboard history, especially for us keyboard shortcut junkies. You can invoke it with a user-specified keyboard shortcut (I use Command-Option-V), select cliboard history items from the keyboard using Command-1, Command-2, and so on, and it even has a Snippets section where you can add folders of frequently used items. The latter being kind of like a TextExpander without the text shortcuts, if that makes any sense. But it comes in handy.
I had a coder buddy whip up this one for me which I’ll share: a script that will change text-that-is-separated-with-dashes to Text That Is Separated With Dashes. Why did I want that? When posting images to sites like Flickr or Dribbble, I name my image files descriptively, and use the file names as the basis for the title of the image post. This saves me from re-typing it. You can download the Dashes to Spaces + Word Caps script if it sounds useful to you. Tell Greg Newman thanks if you find it handy.