For real fun, re-skin the maps!

[img width=700 height=527]http://image.hazardstrip.com/ss/textures/1567.jpg[/img]
[img width=700 height=590]http://image.hazardstrip.com/ss/textures/1475.jpg[/img]

No, they don't work on TTP...
http://www.fpsbanana.com/textures/1308