This is one of over 5039 textures generated by Filter Forge, a Photoshop plugin that allows you to create your own filters.
With Filter Forge, you can:
To open this filter, you must have Filter Forge 2.0 or higher installed on your computer. If you don't have it installed yet, click here to download Filter Forge
Rock filter used to create a high-res texture for Paintball2. Though it was created for this purpose, I figured I'd share it so you can use it however you'd like.
rock, shadow, hard shadow, realistic