RTF is a global modification that replaces all towns in the game.

based on the phoenix, you can create something like this

Added 4 minutes later

What about on the dwarven dragon?

it might turn out well on a dragon :) I completely forgot about it

Actually, I was initially thinking that they could be made on the Twilight Witch.

I thought about that too

You could also use the Gremlins, but if you want, you can put frogs instead ;)

you can also use the Gremlin, but I think the Cabir would look better made from Gremlins, and there's too much hassle with the frogs... they look awkward and their arms aren't attached to their bodies.