[jmdeldin]

This seems more cumbersome than opening AppleScript Editor, writing the following, and saving the script as an app.

  do shell script "my script"

Despite being an obnoxious language, AppleScript is pretty handy for distributing shell scripts onto non-technical users' machines.

[thatjoshguy]

I've recently fallen in love with Automator. Although it make have a few limitations, you can get around it by embedding AppleScript or Python.

In two minutes I made a quick and dirty system wide workflow to download the selected URL.