My idea is simple, TF Prompts as trading cards.
Here are two sets. Each are 10 cards for 3 dollars.
The weight gain set:
https://www.deviantart.com/kappaevilfoo ... urse-cards
The age progression set:
https://www.deviantart.com/kappaevilfoo ... urse-cards
I will add more sets eventually. They're pretty fun.