I'm actually against 'pimping' my system, because I've noticed that most control is being taken from the user and given to the software, I leave my case beige to remind me that its just a computer that does what I tell it.
7) Signatures must adhere to the following specifications:
Text signatures may not exceed 15 lines in size 1, or 8 lines in size 2. Text size 3 and above is not allowed. Text size 1 may only be used with a graphic.
The combined size of all images in a sig is a maximum of 468x120. Please keep the file sizes small for loading times.
Any scripts that display a user's IP address and browser information are not allowed.