Avatar Dimensions?

Hi

I need a help. Can anyone tell me what should be dimensions of Avatar for a slideshow?? I know that the size shld not be more than 40KB..Can anyone help with the dimensions??

Thanks

sry...but i have no idea!!😭

Both 96 by 96 and 100 by 100 will do. 😊

i think it can go more than 100 x 100 cuz i have tried b4
and i hope the size can be more than 40 kb..maybe 80 - 90 kb