I did a search in the gallery for "rainy days" and came up with a page of cards. Here is the link:
Gallery at Splitcoaststampers
Perhaps those are the only cards uploaded at SCS using that set. There are a couple other cards that popped up that didn't use that set in particular, but other sets pertaining to "rain", so that's why the search brought them up too.
The cards seem to be posted in other galleries such as VSN's or weekly color or sketch challenges.