Small test to create corrosion effects using x-particles, the base deformation was done using a animated gradient in a displacer deformer, the same map is used to emit the particles that are then skinned.
Small skinner test in x-particles
Small test with some of the new features in X-Particles. [alpha only not yet available]
Little render test with X-Particles
Grunge FX tools
Xpresso Driven spline tools
RoadGen is a Character template for generating easy to use road systems.