Yeah, — I guessed it was a hail mary. Been there, done that.
But you may be more successful in converting them than you think. In the end, they might even be better looking, than the initial approach.
Also, if you care to share a capx with just the particles you have now, I'd love to try and convert them... Just for the challenge and bbbecause it may be useful in the future. Two minds work better than one.
Cheers!