Show a relaxed expression and your mouth closed
Look straight to the camera at a distance of at least two meters or six feet
Show your entire face and both eyes and ear lobes with
no hard shadows
Black and white or old pictures can't be animated
Avoid hard reflections of bright light on your skin and over-exposure at the borders of the face.
Clear your face and neck from hair, your hands, caps, coverings, etc. If you wear glasses, make sure they aren't dark or glare
All standard formats (jpg, png, gif, tif, bmp) are uploadable
File sizes of up to 2MB are uploadable.
Photos especially taken for image-me usually get better animation results than uploading existing ones.