Just returned to the forum after a 2 year hiatus so this is a late reply.
Having just watched the movie 'Sweet love story that just might make your day' by SirMasterOwl, I can't help but think that although the style uses stick figures, you wouldn't actually make a movie like this with a program such as Stykz, Pivot, Tisfat or the infinitely less user-friendly Stickman. To me, that movie looks as if it was made with a more traditional type of program - it would be easy with software such as PAP4 (free), Pencil (free) or Artoonix (free with a few limitations).
Assuming you had a good idea that could be animated using facial expressions and a few arm gestures to tell the story, I can easily see how you could create something like 'Sweet love story' very quickly indeed with software such as that --- there are no backgrounds to speak of, no character detail in terms of colour or clothing, and if you look at the top of the head of the boy character you can clearly see that it's a hand-drawn loop where beginning and end don't quite meet. Also, of course, the final frames are obviously single drawings done by hand.
So - absolutely no need to use a stickfugure program for this type of animation. Indeed, Stykz, excellent though it is within its genre, would not let you easily create that very hand-drawn style.
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