Large Cube Patterns

[GalPro]

Hi,
does anyone have a tutorial or a website on 5x5 - 7x7 cube patterns and how to make them?

Thanks

 

[Tetris Cube]

There's a lot here:

http://www.randelshofer.ch/rubik/patterns.html

 

[qqwref]

http://twistypuzzles.com/forum/viewtopic.php?f=1&t=10244

 

[GalPro]

Thanks guys...

and how do I make drawings like these?
http://www.youtube.com/watch?v=VlK9BEvCa7w
I mean, what's the method of putting each piece without ruining the rest of the cube?

Thanks