As always, there's are some rules to observe here.
1) Keep any pictures of your desktop clean & relatively inoffensive -- This is a family friendly site.
2) Close or minimize any sensitive windows (any steamy IM's, bank webpages, ect) before taking your snapshot.
3) Please do thumbnails (about 25% actual size) instead of full pictures -- You can link to the full-scale ones later. Mostly for modem users & those with smaller screen resolutions (to avoid side-scrolling)
4) Please use a Image Hosting site like Photobucket ( http://www.photobucket.com) or TinyPic ( http://www.tinypic.com ) instead of using the file uploading option here -- You'll have more control over your pictures & less restrictions to deal with than using the file upload option.
5) Please do not start a new post list this until AFTER CHRISTMAS -- This thread series is only done once every 3 months.
Please be aware that STANDARD FORUM RULES STILL APPLY HERE!
With that said, I'll start things off. Since it's the Halloween season, I'm running through my collection of Penny Arcade's Armadeaddon series.
Yes, I changed my Windowblinds skin as well. I'll be changing between then on a weekly basis or so...
OK, I've showed you mine... Now show me yours!
Maybe it's a scan from a specific artist's artbook?
I tend to love the one-fanged chars in anime, actually. They usually have a looney, hyperactive, catlike and/or sneaky evel personality, like Excel from Excel Saga. 
