800×600 login_wallpaper.png
(vector artwork, released under GPLv2)
/EDIT 2008.10.24/
I noticed that people are looking for some halloween releated content. I already answered for one request.
Art is licenced under terms of General Public Licence (GPL) ver. 2. It means you are allowed to modify, distribute and reuse this art as long you refer to original author. In this particular case, you should place caption like this:
Licence: GPL ver. 2
Authors: Aoi (a-o-i.deviantart.com), Irukard (mruk.wordpress.com)
Project: The Mana Wolrd (themanaworld.org)Consider that, you don’t have to colour this lineart by yourself. You might reuse coloured version. I can provide you vector source of this file.
You may find related files here:
https://mruk.files.wordpress.com/2006/10/login_wallpaper.png
https://mruk.files.wordpress.com/2006/10/halloween-color-005.png
VECTOR SOURCES:
http://shell.idealan.pl/~iru/tmw/halloween.svg
http://shell.idealan.pl/~iru/tmw/loginscreen.svgYou can open SVG format in Inkscape (Free Open Source Vector Editor – inkscape.org) or Corel 11 or newer.
Enjoy! Feel free to download, reuse, change and redistribute this art. As far you place proper caption it isn’t copyright violation. Have a nice Halloween!
Mansion of Thoughts 
hi..found that the coloured version of your illustration very nice. Would like to color it as well. Will be putting a link back to your page once i have completed it. :P