I'm trying to find a way to incorporate a brush into my action without actually having to stop and using the brush and then continue. More specifically, I would like to apply the history brush to the entire image as a step within an action, but I want it to automatically be applied without me having...

Some time ago, I used the Liquify filter in a way different from most of the ways listed in this thread: To create a very cool looking abstract digital backdrop for a portrait. First I ran the Add Noise filter on a color gradient. Then the Crystalize filter. (At least, that's what I think it was...