The Advanced Stacker PLUS can be used for much more than Star Trails. This is a Matt Molloy inspired stack of exposures during sunset stacked using Long Streaks mode. If you want to get a copy of the Photoshop plugin see advancedstackerplus.com
Look carefully and you'll see how I suffered from not having my intervalometer handy.
This is about 100 shots taken at 10 second intervals. All were f/11 ISO 160, 1/160th of a second.