I just installed Maya 8 and have been redoing the Apache tutorial. The thing is . . . extrude faces using a curve does not seem to be working. Extrude using curve is checked, but . . . nothing seems to happen (see pics). In Maya 7, you just shift selected the curve and hit extrude.

But . . . all the extrude functions have been consolidated in Maya 8 into one button. I'm sure I just some option not set correctly. I'm sure it's something simple. I've tried resetting the tool, but . . . same results.

Any advice?