I also have a Halloween set that is not SU and that is available for $5.
Here is what I have included in the Stampin' Up! Lot:
Birthday Whimsy Sale A Bration
Big Blossom sale a bration
Three for You
Non-Stampin Up Set, 15 Halloween Stamps made by Michael's, $5
If you see something you like, email me email@example.com.