Avatars v. Banners/Logos?

Which out of the two would you rather enjoy doing the most and why?

Avatars is not my thing but like doing Banners there are usaly bigger and more workable than avatars because avatars have limits in most forums.

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With banners, you have more control on your artistic vision. So I am for banners. Avatars are limited, so they take up less space.

Banners for the same reasons that have already been stated.