hey one thing u might want to add is the option to add sponsors on the fly. i think you overthought the sponsor tracking part. just allow it to accept a full click-thru url instead of a sponsor id and an rss feed of galleries. if it fails, then they can't use that sponsor. there are thousands to choose from.
my reason -- your script will only be useful if users can niche it out the way they want. a generic tgp is not sticky. a nylons - or leather - or dp - tgp gets targeted traffic, high converting clicks, and return traffic.
the cam and blog etc pages are cool. i would say just don't overthink tgps. they are a 15-year old platform. the thinking has been done.
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