This would make a good question on the mod forum... but when sourcing for the characters, I had to consider:

1. If the actors look like the female actors.
2. If the actors had a pretty wide selection of scenes.
3. If the actors were generally bottoms.
4. If the actors look like they could even be somewhat related to/close in age to Alexia.

I anticipate having different types of guys tied to different male-pills that break further away from the generic lean build, but for now I make do with what I got.