Good job!
Smashing job with this one! Good tutorial and I hope this makes it through the portal (although most NGers are grumpy and blam anything clay related... 2 years and you get used it, though. lol.)
A few pointers:
1. Knox uses claytoon but the best UK equivalent IS Newplast :) I use it and it's good stuff, even though it's a bit messy! Not as good as claytoon, though... I don't think.
2. When you make the claymen, rather than pushing your fingers down into the clay (It works ok, but makes them kinda blobby), use a knife instead :) Any old butter knife will do. I have a butter knife and it works fine :)
3. When animating steps, don't spread the legs too far apart because it will look unnatural, haha. About 3 frames per step at 15FPS should be fine (1st frame is getting the legs in line, second is moving the leg forward so it's kinda hovering in the air. Third is to put the foot down and get the back leg off the ground a bit, if you get what I mean, haha.)
Hope those helped you and other readers of this review! :D
Best of luck with getting through the portal and I hope my vote helped protect this flash! Good luck with everything! You have potential to be a great claymator!