Example #2 - turn bet sizing is completely horrific. I give villian 6-1. I should be betting 2/3s to 3/4s here? Its only really KT, TT, 44 I have to worry about as villian should have alot of one pair K's and T's in his range.

I think I should also be betting the river here?

Hand 2:

Party Poker No-Limit Hold'em, $0.02 BB (9 handed) - Party-Poker Converter Tool from FlopTurnRiver.com

CO ($1.71)
SB ($1.98)
Hero (MP3) ($1.99)
MP1 ($1.20)
MP2 ($0.36)
UTG ($2.57)
UTG+1 ($0.72)
Button ($2.13)
BB ($0.39)

Preflop: Hero is MP3 with 4, K
2 folds, MP1 calls $0.02, MP2 calls $0.02, Hero checks, 1 fold, Button calls $0.02, 1 fold, BB checks

Flop: ($0.09) 4, K, 10 (5 players)
BB checks, MP1 checks, MP2 bets $0.09, Hero calls $0.09, 3 folds

Turn: ($0.27) 6 (2 players)
MP2 checks, Hero bets $0.05, MP2 calls $0.05

River: ($0.37) 5 (2 players)
MP2 checks, Hero checks

Total pot: $0.37