Quick Blender models of the ubuntu and debian logos on a simple black backdrop or dark wood. Two resolutions are currently available: 1280x1024 and 1920x1200.
Models created by me in Blender. Wood backdrop by zygat3r on deviantart (http://zygat3r.deviantart.com/art/Dark-Wood-58266349)
[size=6]note: I lost the .blend, so no different resolutions are possible...[/size]