Playing against loose players is great. You don't win as many of the pots that you play because there are more players in the pot to "catch". The good news is that when you do win a pot, it will be a big one.

The hand you posted is a good example.
Preflop - Raise, good.
Flop - Check/raise - good.
Turn - I don't really like the turn check/raise too much. I would have just bet out here.
River - Don't know what to tell you here. I might have just checked this river to see what developed after me. Might be able to save a bet by watching those behind you raise first. Very seldom is a single pair good on an uncoordianted board with 4 players at the river.

The way I play a loose game typically - bet/raise like crazy preflop and flop. Slow down on the turn, watching for passive players to show strength. At the river with just a pair...try and show that sucker down as cheaply as possible multi-way. Getting fancy on the turn and river in these games can cost you way too many bets. These games are extremely profitable, but you have got to pay attention to the post flop play, or you'll just be another "ACES CRACKED" post at FTR.

I'm check raising straights, boats, flushes, sets on the turn, not pairs...in a loose game.

If you want a little tighter game, try out the Poker Stars .50/1.00 or 1/2 games. Not sure what kind of stakes you are playing at.

Maximimize wins and minimize losses!!