Do you want to know how it's done? Learn how to use Photoshop the easy way!
Making realistic looking grass in Photoshop is very easy thanks to the preloaded grass brush. My nine year old daughter must use this and the Render_Clouds technique in near every picture she makes.
Create a new document and select your Brush Tool. From the brush drop down menu select the grass brush.
Next you will need to select colors. Set the forground and background color tiles to two different shades of green.
Now all you have to do is simply paint back and forth and let the brush do all the work for you.