Wordpress Facebook Share.. image to small?

i use a sharelocking script for wordpress and i use meta tags for the share image

but even if the size is 300x350 the debugger says the image is to small ( minimum 200x200px )

what the hell?

tried it hundred times but i don't get it

facebook always takes the second picture on the site, the bigger one

when i remove that second picture THEN he accepts my "to small" one

and after i put back the second image the share script still use the correct image, but if i debug the site another time its broken again


thats fking weird!! any solution for that?