As I use Skritter more and more, I'm starting to use the stroke recognition less. I'm skipping (->) through more characters when I'm confident of how to write them, and when I think I'm sure I click 示 to show the phantom, then mark myself right if it matches what's in my head before going on.
Some ideas that would help this way of working are:
* Showing the items you've skipped through briefly (or on the side) so you don't accidentally skip one that you 以为你写对了
* Showing the meaning when you show the phantom with 示 (rather than having to write the whole character out)
* Have a one click way to skip and mark right after showing a phantom
* Practising the single characters from words that you're getting wrong more, rather than just the words
* Sometimes for words only testing the character you got wrong. For example for 肯定, maybe you got the 肯 wrong once, but you tend to get the 定 right. It would be good to be prompted with _ 定 rather than _ _ and only have to fill in one blank