to add a signature to your signature you have to do...
1. savr the picture you want to add your signature to your computer by finding the picture in picture form and right clicking then clicking save as picture
2. go to www.tinypic.com and browse the picture till you find it then upload it
3. copy the one with the ( [IMG] ) brackets around it
4. go to your profile and paste the code onto your signature area then click update....there is also a tutroial on how to add a signature in the profile section.
If this doens't help thne you go problems