Head on over to Hopster where you can grab these Simple Green printable coupons:

$1.50 off 1 Simple Green All-Purpose Cleaner
$1 off 1 Simple Green Heavy Duty BBQ and Grill Cleaner
$1 off 1 Simple Green Stone Cleaner or Polish
$2 off 1 Simple Green Wash & Wax or Extreme Simple Green Motorsports Cleaner
50¢ off 1 Simple Green Ready-To-Use All-Purpose Cleaner

And remember, because these are from Hopster, you can BOOST the values of those coupons and save even more!