I'm not sure about the profile image.
Signatures: You need to upload to a file sharing site such as Photobucket or Imageshack.
When you upload, it will have options to share the image. You need to copy the code for Forums. It will start with http://
Just paste that into your signature and it should work.
Hey guys! It's been a while hasn't it? I finally decided to come back and re-open my gallery. Well, here it is.
(I will post new works as I make them, but for now, I have my favorite pieces that I have made. Enjoy!)
My Favorite Pieces
That's what I was thinking, too.
Also, according to Briamoth Weekly, Paint.NET is the best image editor since... ummm.. wait. There isn't one better!
Haha.