5+1 on PP

[Twentysack]

Hi, first time posting a hand.

This was when there were about 200 people left, Chip leader had about 20k and i was in the top 20 in chips. The guy i was going against was pretty loose aggressive. I know i shouldn't go against chip leaders, but i thought i had him beat. guess not :P Any suggestions? maybe realize somethings up with the flop call?

thanks for your time.

Party Poker No-Limit Hold'em Tourney, Big Blind is t300 (9 handed) converter

saw flop|<font color="C00000">saw showdown</font>

UTG+1 (t1585)
MP1 (t4920)
MP2 (t5498)
<font color="C00000">Twentysack (t9853)</font>
CO (t21609)
Button (t6294)
SB (t3449)
BB (t5390)
<font color="C00000">UTG (t14846)</font>

Preflop: Twentysack is MP3 with T[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/diamond.gif[/img].
UTG calls t300, UTG+1 folds, <font color="CC3333">MP1 raises to t600</font>, MP2 folds, <font color="CC3333">Twentysack raises to t1500</font>, CO folds, Button folds, SB folds, BB folds, UTG calls t1200, MP1 calls t900.

Flop: (t4950) 7[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/spade.gif[/img] <font color="blue">(3 players)</font>
UTG checks, MP1 checks, <font color="CC3333">Twentysack bets t2500</font>, UTG calls t2500, MP1 folds.

Turn: (t9950) 3[img]/images/graemlins/diamond.gif[/img] <font color="blue">(2 players)</font>
UTG checks, <font color="CC3333">Twentysack bets t5853 (All-In)</font>, UTG calls t5853.

River: (t21656) Q[img]/images/graemlins/spade.gif[/img] <font color="blue">(2 players, 1 all-in)</font>

Final Pot: t21656