Just started with a dark base and worked from there. I might add some light ones and other designs too.
Black/dark signature
Simple black base
![Image](http://www.imgdumper.nl/uploads9/573a0aedefa8e/573a0aede5927-gc-forever.png)
Added colored logo
![Image](http://www.imgdumper.nl/uploads9/573a0bcea4b63/573a0bce97b24-gc-forever2.png)
Added pictures to the background, removed colored logo (man, I suck with pictures)
![Image](http://www.imgdumper.nl/uploads9/573a0bde5d85f/573a0bde54b9e-gc-forever3.png)
Removed the pictures, brushed a grunge-kinda background. Easy to color that one.
![Razz :P](./images/smilies/icon_razz.gif)
![Image](http://www.imgdumper.nl/uploads9/573a0bf2b44c0/573a0bf2aaacd-gc-forever4_grey.png)
![Image](http://www.imgdumper.nl/uploads9/573a0c04567cb/573a0c044d863-gc-forever4_blue.png)
![Image](http://www.imgdumper.nl/uploads9/573a0c12eca12/573a0c12de39a-gc-forever4_red.png)
![Image](http://www.imgdumper.nl/uploads9/573a0c20ac88d/573a0c20a3f95-gc-forever4_yellow.png)
Feel free to add suggestions etc. or to use them in signatures to promote gc-forever. :p
Also, does gc-forever has a slogan or something? I just made this one up hehe..
2016 edit:
Reuploaded and made a banner logo
![Smile :)](./images/smilies/icon_e_smile.gif)
![Image](http://www.imgdumper.nl/uploads9/573a15084e0d8/573a15083fb59-swissbanner.png)