I'd hoped you'd figure it out based on information presented and be cruising on your way. Alas, not... Soldiering on....
Seems I should have scrutinized the screenshot I posted in your other thread a bit more closely, as one of the key knobs was not "set" in that one. Sorry about that. I've since updated and also duplicating here as extra precaution against confusion.
Note that "Recent Cards" and "Recent Topics Carousel" is now selected from "Available Widgets" pull down menu on the right:
So.... ponder the above a bit and see if you can get yourself sorted out, eh?