A4s on the button. Bottom pair on the flop and I do what???

[Grease]

Main player (MP2) involved in the hand was fairly loose passive, but not a complete calling station. (Be)rate my play on the flop especially. It reminded me of a particular hand in SSH, but I'm sure I misapplied the concept though. Thanks for your imput.

Party Poker 2/4 Hold'em (10 handed)

Preflop: Hero is Button with 4/images/graemlins/spade.gif, A/images/graemlins/spade.gif.
UTG folds, UTG+1 folds, UTG+2 folds, MP1 calls, MP2 calls, MP3 folds, CO calls, Hero calls, SB completes, BB checks.

Flop: (6 SB) 4/images/graemlins/heart.gif, T/images/graemlins/spade.gif, J/images/graemlins/diamond.gif <font color="blue">(6 players)</font>
SB checks, BB checks, MP1 checks, <font color="CC3333">MP2 bets</font>, CO calls, <font color="CC3333">Hero raises</font>, SB folds, BB folds, MP1 folds, MP2 calls, CO calls.

Turn: (6 BB) A/images/graemlins/diamond.gif <font color="blue">(3 players)</font>
MP2 checks, CO checks, <font color="CC3333">Hero bets</font>, MP2 calls, CO folds.

River: (8 BB) 3/images/graemlins/club.gif <font color="blue">(2 players)</font>
MP2 checks, <font color="CC3333">Hero bets</font>, MP2 calls.

Final Pot: 10 BB