The 3 column thing was from TCBOTB. You go there and click on "blog secrets" you'll find all kinds of neat tricks. Their easy step by step instructions made is so easy breezy.
The signature was from photobucket. I saved a picuture from my layout to the computer and uploaded it to photobucket. There I cropped it so I had matching background. Enter text into it and tada signature. Now where to place it, I got that from TCBOTB too. It's in layout, edit html, then expand widgets (check that box) and press ctrl f (for find) then enter