good boy!! now for a background. go back to the same place you found avatar...go down to CSS or CCS i dont member...and scroll down untill you see something that says Use one our Premade layouts or something like that and pick out a layout!
haha go to your My Mibba page...and under the Profile collum on the side there should be a like that says Avatar. Click it and upload a pic....and if that isn't the right one there is another Avatar link on the side there somewhere...there are two types of avatars...tis kinna confusing.