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Forum Moderators: travelin cat
I did test out a few things though.
I noticed that you could update the background colour of the boxes and headings, so I figured you might be able to slip a url(http://myurl.com/image.jpg).....
Unfortunately even if you manage to make the declaration within the 30 characters you've got available, it still doesn't hold the value.
Start off with a background image that looks great across different screen resolutions, wait until you have a strong following of viewers and then approach youtube to become a partner.