Make sure you have an even amount of people doing each move so you have an equtable number of images to convert to frames and the animations step.
Add Movement in the clothes by not sticking them to the body
Ad movemnt in genral to the hair etc by adding little vibrations lines ))))
Dont wory if you make a mistake
(eg.my face) because each frame will only be visible for 00.01 seconds
HAVE FUN!!
Add words or shapes to the background