I was practicing making userbars in GIMP and made some SP-Studio ones for each member category. Feel free to use them in your signature! Just copy the link in the Code box and paste it into your sig.
User
[Blocked Image: http://i41.tinypic.com/wttvd1.png]
Moderator
[Blocked Image: http://i40.tinypic.com/2j42dxi.png]
Administrator
[Blocked Image: http://i42.tinypic.com/4fv0pj.png]