One Tusk points us to "a commentary by the creators of Venture Bros., Jackson Publick and Doc Hammer, where it has appeared as an exclusive download on Quickstop Entertainment. It's for episode 1x07, Home Insecurity, and was dropped from the DVD set due to space restrictions and technical issues. MP3 download of 21+MB."

Get it here
Thanks to Widgett

Image above ganked from Douglas Lovelace's site, an absolutely kickass showplace for his storyboard art and designs from some pretty fantastic projects, including the mighty Venture Bros.