For a long while I've wanted a functionally busy (OK... messy) desktop, but not to have to look at it. I'd rather be looking at a minimal, tidy desktop. I've tried a few ways to achieve this unobtrusively e.g. Quick Launch toolbar, but this latest <img src=/S/free.gif border=0 alt=free width=30 height=15> find is about the best as far: NorthGlide SlideShow.

Along the way, I've found some others that might appeal to different tastes:
RK Launcher
8start Launcher