5/10 NL top pair in a multi-way pot

[tdarko]

villain is somewhat tricky, nothing special. everyone else to the left is pretty bad.

stacks:

hero-1070
villain- 1040

A [img]/images/graemlins/spade.gif[/img]J [img]/images/graemlins/spade.gif[/img] in MP+1 i raise it to $40, MP+2 calls, CO calls, Button calls.

flop is J 7 6 rainbow~$175
hero checks, mp+1 checks, mp+2 bets $25, CO calls, Button folds, hero raises to $105, mp+1 calls, fold, fold.

turn is J 7 6 2~$435

now what?

suggestions preflop and on the flop too please.