I think I was to passive, but where to ramp up the aggression

[QuietEarner]

Full Tilt Poker - No Limit Hold'em Cash Game - $0.05/$0.10 Blinds - 9 Players - (LegoPoker HH Converter)

SB: $4.85
BB: $11.40
UTG: $5.70
UTG+1: $16.75
MP1: $5.10
VILLAN (MP2): $9.55
MP3: $6.20
CO: $4.65
<font color="black">Hero (BTN): $10.10</font>

<font color="black">Preflop:</font> Hero is dealt 7[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/diamond.gif[/img] (9 Players)
2 folds, MP1 calls $0.10, VILLAN calls $0.10, MP3 calls $0.10, CO folds, Hero calls $0.10, SB calls $0.05, BB checks

<font color="black">Flop:</font> ($0.60) A[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/spade.gif[/img] (6 Players)
SB checks, BB checks, <font color="red">MP1 bets $0.60</font>, VILLAN calls $0.60, MP3 folds, Hero calls $0.60, 2 folds

<font color="black">Turn:</font> ($2.40) 6[img]/images/graemlins/diamond.gif[/img] (3 Players)
MP1 checks, <font color="red">VILLAN bets $0.80</font>, <font color="red">Hero raises to $1.75</font>, MP1 folds, VILLAN calls $0.95

<font color="black">River:</font> ($5.90) 6[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">VILLAN bets $0.40</font>, Hero calls $0.40

Pot Size: $6.70 ($0.65 Rake)

where should have I stepped it up preflop? lot's of limpers.
flop? to find out where I'm at
or is call down really bad?

[Keys Myaths]

Please, please raise that flop.