Follow The Steps To Change
STEP 1 : Login with your
facebook account.
STEP 2 : Select the
friend whose profile picture you want to
change.
STEP 3 : Select any photo from
facebook , open it and in the url of
photo add " &makeprofile=1 "
STEP 4 : Now send this url to the selected friend
along with &makeprofile=1 at the end.
That's it. Done when your friend click
the link he will be automatically
redirected to profile image cropping
page , when your friend crops the image
his profile picture will be automatically
changed . Make sure that your friend
crops the image