I'm not sure you understand interest checks. It seems to me you are posting a thread for themes you would be interested in doing, when this section is used for a GM (game master/person seeking to create a RP) to determine who would be interested in doing a RP with criteria outlined in an interest check. 

If you're not trying to start an RP, I found a recent interest check that might catch your eye. [url=https://www.roleplayerguild.com/topics/164630-the-tranquil-children/ooc]The Trainquil Children[/url] though it is post-apocolyptic.

Otherwise, browse [url=https://www.roleplayerguild.com/forums/38-general-interest-checks]General Interest Check[/url] or [url=https://www.roleplayerguild.com/forums/13-casual-interest-checks]Casual Interest Check[/url] and hopefully you might find something that catches your eye. Sometimes you might be able to join an RP that has already started, but be sure to post in the OOC (out of character) section andnot the IC/CS (in character/character sheet) section which are located to the top left of the original poster.

Any questions, feel free to PM me.