AA HU on 4flush board, and A6o HU easy river bet?

[bottomset]

villian is loose, and pretty aggressive

Party Poker 1/2 Hold'em (6 max, 5 handed) converter

Preflop: bottomset is BB with A[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#666666">2 folds</font>, Button calls, SB completes, <font color="#CC3333">bottomset raises</font>, Button folds, SB calls.

Flop: (5 SB) 5[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, bottomset calls.

I call here, planning on raising a good turn

Turn: (3.50 BB) 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, bottomset calls.

doh, I'm getting 5.5/2 on the calldown

River: (5.50 BB) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, bottomset calls.

Final Pot: 7.50 BB

villian is pretty loose, and agressive enough to raise the midpairs, when he leads the flop its prob anypair ... am I passing up value by checking behind on the river?

Party Poker 1/2 Hold'em (6 max, 6 handed) converter

Preflop: bottomset is BB with A[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/club.gif[/img].
<font color="#666666">4 folds</font>, SB completes, <font color="#CC3333">bottomset raises</font>, SB calls.

Flop: (4 SB) 4[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, bottomset calls.

Turn: (3 BB) 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">bottomset bets</font>, SB calls.

River: (5 BB) J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, bottomset bets?