There are many more quality type-related wallpapers for desktop, iPhone, & G1 over at typenuts.com.
If you’d like to see more sizes and more designs, then let me know. You might even want to try designing your own. iPhone wallpapers are here! You might also like to try these at Veer. There are many more wallpapers and designs on the my favorite letters Flickr group. Why not submit your own. And be sure to subscribe to i love typography!
And there’s an ILT RSS feed Dashboard Widget here: