CS3 expressions on MotionScript

As noted by Mark Christiansen on Flowseeker, Dan Ebberts' After Effects expressions resource site MotionScript is getting updated tutorials for CS3 and a bit of a facelift.

Update: Creative Workflow Hacks adds that sampleImage() is fun.

Dale adds, "sampleImage() is a new layer method expression introduced in After Effects CS3 that allows you to access a layer’s color pixel data. Combined with sophisticated particle systems like Particular, I think we’re likely to see some really interesting designer driven explorations a la Processing, but with more of a tinkering, let’s try things out approach."