properly detect external image using content_url
properly detect external image using content_url

mgmartel/timber,jnweaver/timber,gchtr/timber,ogrosko/timber,Jmayhak/timber,rpkoller/timber,PrisisForks/timber,xavivars/timber,jnweaver/timber,Jmayhak/timber,gbarberi/timber,timber/timber,aprendiendoando/timber,pensesmart/timber,gchtr/timber,rpkoller/timber,aaemnnosttv/timber,rpkoller/timber,gbarberi/timber,josephbergdoll/timber,mgmartel/timber,pensesmart/timber,josephbergdoll/timber,anugupta/timber,blocher/timber,xavierpriour/timber,PrisisForks/timber,pensesmart/timber,ogrosko/timber,timber/timber,Jmayhak/timber,mojaray2k/timber,xavivars/timber,mojaray2k/timber,jarednova/timber,aprendiendoando/timber,mgmartel/timber,jarednova/timber,josephbergdoll/timber,jarednova/timber,aaemnnosttv/timber,jnweaver/timber,gchtr/timber,gbarberi/timber,anugupta/timber,PrisisForks/timber,blocher/timber,blocher/timber,mojaray2k/timber,anugupta/timber,xavierpriour/timber,aaemnnosttv/timber,xavierpriour/timber,xavivars/timber,ogrosko/timber,aprendiendoando/timber