1.Go to a website that has animal crossing icons.
http://ouka.kuronowish.com/rehoeass2/ is the one I use.
2.Then, you save a picture for the background.
3.Then, save any pictures, icons, or other things you want in the signature. I mean things outside the picture, like Alice's knights or whatever they are.
4.Then you go to photoshop or pixlr. Pixlr link:
https://pixlr.com/editor/
5.Then you save your work.
6. Then, you go to TBT and go to Settings - Edit Signature
7. Attach the picture, and maybe a colorful message. I can get you the color code if you want.