I have a soft spot for good quality typography. It is just nice and inspiring to look at I think. Adding typography art to desktop wallpapers seams to be quite common and it gives us a good opportunity to have a source of typography inspiration in a place where we wont forget to look at it. So why not look through the more than 40 awesome Typography Wallpapers collected for you in this article. Most wallpapers are available in the common resolutions even though it is not indicated here. A few of the picks here require registration to download but all are free.
If you find this article interesting you may want to look at this article as well: 80+ Very inspiring uses of Typography
Remember to check the license for any design element you may consider to use in your own designs.
Why not try creating your own typo wallpaper? Give it a try.