1. Clean up your text...on your sub title bar and titles for pages very pixelated.
2. Some links to enlarge your photos dont work
3. Make sure that you are using the same text size and type across the site.
These are only my suggestions...however you are in the right direction.
Add the comma in...After working with Greener Grass, you will
realize that our attentive customer service and our
quality workmanship make Greener Grass an excellent
candidate for developing a business relationship with! You also might want to shorten this sentence a little.