You're supposed to just change that function yourself to fit your needs. In any case, the code in the first post does take an image like you mentioned, so I don't understand what problems you're having. ..Ah, got it Instead of manually copying getPS() function from the first post, I've downloaded t...

That thing really helped me in creating astounding sword effects with very little effort! Great tool, though there're a couple of annonying bugs still not fixed.. One of them is that getPS() cannot find an image for rendering particles, e.g. "square.png", "plus.png" etc. Here's t...