I made my own sidebar but when i add it to my userlookup on neopets it goes wrong and covers everything:

http://www.neopets.com/randomfriend.phtml?user=chewing_cheese

can someone help me

I don`t see a sidebar, but try one of these codes:
http://home.neopets.com/templates/homepage.phtml?pet_name=csshelp#ls