to use the mobile/ portable background...add the portable background like clothing in the client (game) then go to "next" web site....under the inventory tab it will show u with the background. and where ur avi is standing there are 3 little dots ... scroll over them and it will give u the option to save as profile look. click that and then confirm u want to save it... then when u click on ur own picture in the next website it will show u in front of the animated background instead of the plain white background... :)...or add it as clothing, anywhere you are and use as background in photos