If you didn't stumbled upon
Camgirl.Cloud/editor/ yet - custom editable templates for MyFreeCams, Chaturbate, Camsoda, Niteflirt, Cam4 (and other stuff)
If you want to (or have time to) harden you creativity and skills, you could try to DIY and here's a starting point
Learn 2 Code
And of course there are other options out there
- for webcam performers is simpler if they have loyal tippers/fans which can contribute and support their fav model
- other online services
- freelance services
- free and commercial stuff
Good luck