The video below is produced by Charles Dearing and shared on Youtube. Charles shows his technique for cutting a large scroll saw patterns. The Hulk pattern is two feet tall! He uses a #5 spiral blade. Check out http://www.woodenvisions.com/. This is the home of Charles patterns. I have said it before but Charles Dearing is the best portrait style pattern designer in the world. If you want a challenge try one of his patterns.
DVD and the 2013 update DVD at this link. DVD #1 is $20 and contains over 1,100 patterns. The 2013 update DVD is $7.50 and has another 178 patterns. The 2014 update DVD is $7.50 and has 223 patterns.