Star Trek: The Animated Series + Shatner (previously) "singing" (previ|ously) Common People (previously) = THIS.
Star Trek Inspirational Posters (page 2, zip file) available for download. And, of course, you knew you could make your own, right? (as seen on MetaChat)
So... Kirk/Spock slash fiction may be nothing new, but did you ever think about the fan art? (not really safe for work - or eyeballs)