Going for overcalls

I'm not sure about my flop play, but I think it turned out pretty money for the turn and river. Still not sure I played this right, though. Do I want overcalls on this flop? I think going for overcalls on the turn was correct.

FTP .5/1

Reads: Everyone in the hand is loose/passive (over 30-70/0-6 types)

Pre-flop: UTG+1 call, MP1 call, MP2 call, Hero raise in CO w/A [img]/images/graemlins/heart.gif[/img]K [img]/images/graemlins/heart.gif[/img], BB call, everyone else calls

Flop (10.5sb): 4 [img]/images/graemlins/club.gif[/img]7 [img]/images/graemlins/heart.gif[/img]6 [img]/images/graemlins/heart.gif[/img]
BB check, UTG+1 check, MP1 check, MP2 bet, Hero call, BB call, UTG+1 call, MP1 call

Turn (7.75bb): 4 [img]/images/graemlins/club.gif[/img]7 [img]/images/graemlins/heart.gif[/img]6 [img]/images/graemlins/heart.gif[/img]5 [img]/images/graemlins/heart.gif[/img]
BB check, UTG+1 check, MP1 check, MP2 bet, Hero call, BB call, UTG+1 call, MP1 call

River (12.75bb): 4 [img]/images/graemlins/club.gif[/img]7 [img]/images/graemlins/heart.gif[/img]6 [img]/images/graemlins/heart.gif[/img]5 [img]/images/graemlins/heart.gif[/img]8[img]/images/graemlins/diamond.gif[/img]
BB bet, UTG+1 call, MP1 call, MP2 call, Hero raise, BB call, UTG+1 call, MP1 fold, MP2 fold

Final pot: 20.75bb

Anyone do anything different here?