kiwi-hawk
Basic collection of hi-poly rock models. Various types and sizes with optimal polycount for close-up shots.
Contains a quality V-Ray shader with detailed 2K tileable textures, bump and normal maps included.
Models are very realistic and detailed and they will fit to any kind of exterior visualization of architecture or other types of artwork.
You can optimize the meshes and scatter them around your scene which will provide very detailed ground cover.
Available in 3ds Max 2010 and 2012 format with V-Ray shader and also an FBX file with the meshes that would need to be mapped in your software of choice.