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We're currently working with Twitter on this. It's all on them to build this feature, but things are looking promising.

UPDATE: Twitter has straight up told us NO. We even had lunch with a guy who was supposedly in charge of it and he said that there will be no more sites added to their interface. I don't think they realize how big of a mistake that is.
The albums now end without cicling back.
Pro accounts auto-renew by default. There's no need to manually extend it.