Okays. This tutorial is FOr THOSE WHO DOESNT KNOW HOW TO PUT SIGS. (:
Do not flame. Thankyou (:
1st, Click on the icon in the ScreenShot.
2nd, ..
Open a new window.
Then, Create a account in Photobucket.
After Creating a account.. Upload the desired picture as followed.
After choosing your picture, It should start uploading.
Then, After they uploaded your picture, Move your cursor to your desired picture.
It should show some links. Copy the ' IMG CODE ' Link.
Then paste it in your Profile/Signature.
As shown in the picture.