how to change profile pic into whatever you want

can anyone help me cuz i want to change my pic and i know how but i want to change it to something else like from google images or my tablet camera.when i try to upload it,it would say that its not an avatar or that its to large.can someone please help.thankyou

Your image has to be no larger then 200x200 pixels (though I suggest 200 high and 130 wide). If you have a picture you want cropped/scaled post a link here and I can do it for you if you’d like.