In this video, Steven Christenson of StarCircleAcademy.com shows how you can use Adobe Bridge to reverse the order of files that are managed by the stacker. You can use this trick to run time backward, reverse the direction of the streaks of a star trail image, and also to add interesting affects to star trail images.
In this video Steven also shows an example of using foreground masking to enhance the appearance of an unlit foreground.
You can find the Advanced Stacker PLUS at advancedstackerplus.com
Some related articles are here: