app icon don't change - facebook

i've upload an icon to app in dev area on facebook, but in post that created via app i see another icon http://platform.ak.fbcdn.net/www/app_full_proxy.php?app=342798179094087&v=1&size=z&cksum=418d0035bf803448240c46f206d53fac&src=http%3A%2F%2Fbit.ly%2FbFTnqd
but in my icon shows monkey not "214 apps", and i check an app id it is right.
please help me.
p.s. Sorry for my english.

check if your icon gets overridden by another image in your meta tags. you can check them easily here.

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