Community member, squerl, has kindly informed us that Left 4 Dead 411 has a variety of wallpaper sized screenshots available for downloading. The sizes are varied and go all the way up to 2560x1600 in size.
If you're interested, you can check out the wallpapers over at Left 4 Dead 411 right now!
If you're interested, you can check out the wallpapers over at Left 4 Dead 411 right now!