Yes, banner at the top, and the logo thing on the right - which also shows as the group logo when you're browsing groups. Make them silly-wasp-professional, nothing too omg we're so srs lels.
Dunno, would you consider your ex as 'low standards?' Work on a better one, may use this one for now. A logo would be nice too btw, do you need dimensions or can you figure them out yourself?
Urgh, 10 minutes would mean making sure everything looks nice and tidy, making sure proportions are all right maybe even putting more thought into it.
Old TTT Video thumbnail I made. Does this count? This one's less 'an artwork' than a screenshot of a round that was a true 'work of art'