Very nice. I started extending this beyond Yosemite and Alfred. Here's how I added the ability to switch taskpaper themes as well:   1. copy your current theme (found in ~/Library/Application Support/TaskPaper/Themes/ ) to a file called current.taskpapertheme   2. update the AppleScript in the workflow as follows (substituting your username and your theme names (for Helvetilight-my.taskpapertheme and Helvetidark-my.taskpapertheme) in the appropriate lines): try set guiMode to do shell scr