1-2. school daze
3. the maud couple
4. fake it 'til you make it
5. grannies gone wild
6. surf and/or turf
7. horse play
8. the parent map
9. non-compete clause
10. the break up breakdown
11. molt down
12. marks for effort
13.
the mean 614. a matter of principals
15. the hearth's warming club
16. friendship university
17. the end in friend
18. yakity-sax
19. on the road to friendship
20. the washouts (episode)
21. a rockhoof and a hard place
Easy answer: The restrictions by the author. A lot of people do patreon and so on to get something for the time they spent generating. But the models license doesn’t allow selling generated stuff and so the interest is quite low.
It’s a fun go-to, and I’m surprised more people don’t seem to use it. Anyway, I’ve just be using it to try out a set of prompts for various pegasi (or equestrian girls who would be pegasi).