Easy question, river bet size

[duckyfuzz]

I've decided to bet in both these hands. I'm just wondering what your usual bet size is.

Hand 1)
Villain is a passive calling station. $95 in the pot and $175 behind.

Table Oxygen 02 6-max (Real Money)
Seat 5 is the button
Total number of active players : 6
Seat 1: THUMPETE ( $365.35 )
Seat 2: REMIMOSES ( $217.45 )
Seat 3: mugger ( $202 )
Seat 4: Hero ( $222.65 )
Seat 5: I TILT U ( $405.44 )
Seat 6: Flobere ( $207.55 )
Flobere posts small blind [$1]
THUMPETE posts big blind [$2]
** Dealing down cards **
Dealt to Hero [ K[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/heart.gif[/img] ]
REMIMOSES folds
mugger folds
Hero raises to [$7]
I TILT U folds
Flobere folds
THUMPETE calls [$5]
** Dealing Flop ** [ K[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/heart.gif[/img] ]
THUMPETE checks
Hero bets [$12]
THUMPETE calls [$12]
** Dealing Turn ** [ 3[img]/images/graemlins/diamond.gif[/img] ]
THUMPETE checks
Hero bets [$28]
THUMPETE calls [$28]
** Dealing River ** [ 7[img]/images/graemlins/heart.gif[/img] ]
THUMPETE checks
Hero bets ???


Hand 2)

Villain is like 24/3 and passive. Not a mega station but still bad. $139 in the pot, $115 to bet.

Table Oxygen 13 6-max (Real Money)
Seat 1 is the button
Total number of active players : 6
Seat 1: billCosby ( $182.75 )
Seat 2: mugger ( $177.65 )
Seat 3: Boostitup ( $243.20 )
Seat 4: muppen ( $117 )
Seat 5: Hero ( $194 )
Seat 6: Jestlife ( $83.51 )
mugger posts small blind [$1]
Boostitup posts big blind [$2]
Jestlife posts big blind [$2]
** Dealing down cards **
Dealt to Hero [ K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img] ]
muppen folds
Hero raises to [$9]
Jestlife folds
billCosby calls [$9]
mugger folds
Boostitup folds
** Dealing Flop ** [ 8[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/spade.gif[/img] ]
Hero bets [$18]
billCosby calls [$18]
** Dealing Turn ** [ 2[img]/images/graemlins/club.gif[/img] ]
Hero bets [$40]
billCosby calls [$40]
** Dealing River ** [ 8[img]/images/graemlins/club.gif[/img] ]
Hero bets ???

[RockRattler]

1: against a Calling station - pot, pot, push

2: v-bet about ½ pot to get a call from the T