There's also System > Library > Widgets, which is where I move all of mine so other users can also access them. I have an Automator plug-in for the Finder than lets me move widgets to that folder and replace older ones, if needed, with a right click.
If you can get one in time, the Radtech sleevez are great at protecting the Alu finish from being scratched, especially when you have to take the PB out at the airport security check.
Ugh, why would you want them to repeat? Thank heavens for pithhelmet which lets you control them. Of course, you could use pith and set gifs to loop constantly, though that will draw memory resources.