how allow to member add custom background to post?

[Ba$im]

hello
as you see here
http://vb.eqla3.com/showthread.php?t=328562

they say all you need add this code to post

[align=CENTER][table="width:100%;background-image:url(http://memo2memo.googlepages.com/BlackBackground.jpg);"][cell="filter:;"][align=center]




write post here


[/align][/cell][/table][/align]

and you will get your post with background
when i try it not work
iI beleive they have some bbcode to make it work
any idea how make this done ?

thanks so much

--------------- Added [DATE]1248243283[/DATE] at [TIME]1248243283[/TIME] ---------------

any one ?