if you want to be technical, they are called Gifs. and it is simple. simply go to giphy.com or search up gifs on the internet, save it then change your avatar like usual but only with a gif...TA-DAAAA I hope i explained it good enough....:)
sorry all that i haven't been on all day! i had school, basketball, gymnastics, went to a park for lunch.....well, good night then, see ya all tomorrow!
Ms. Parthenos: class, if you have not yet entered your assignment in today, that is totally fine, you have until Monday now, i realized it was a bit soon for the first day of school...sorry!