This is a great anime wallpaper community featuring contests and comments.
Anime Wallpaper Archive
A Japanese website thattends to focus on moe themed wallpaper (I noticed a great deal of Haruhi Suzumiya)
Anime Wallpaper City
A well organized Japanese language website that specializes on anime wallpaper (the navigation menu is on the right hand side)
Anime Wallpaper Data
A Japanese website that specializes in high resolution anime wallpaper
Anime Wallpaper Doors
A professionaly done Japanese language website that features a very nice selection of anime wallpaper (mostly from recent series — broken out by season no less!)
The Anime Wallpaper Index
A Japanese website that links out to other top sites that offer anime themed wallpaper (warning: some of the sites are a bit on the risqué side)
A nice selection of both anime and game wallpaper.
A well organized anime and manga wallpaper site that has been around for over five years.
The High-Quality Warehouse of Anime Wallpaper
A Japanese blog that specializes in anime wallpaper
Konachan: Anime Wallpapers
An amazing collection of over 80,000 anime wallpapers.
A well done otaku run site that specializes in anime, manga and game wallpaper
High quality anime wallpapers from Full Metal Alchmenist, R.O.D. TV, Serial Experiments Lain, Tokyo Underground, and Ghost in the Shell.
One of our favorite sites that also has a ton of fan art.
Peorth - Anime Wallpapers by Andrea
An amazing anime wallpaper website from Argentina.
Temashita’s Wallpaper Blog
A “small and quiet” Japanese language blog that collects anime wallpaper
Two-Dimensional Picture Blog
A japanese language blog with a good assortment of recent anime wallpapers (site navigation on the left)