Dark DV Footage, Any way to improve this script?

This is an UGLY tape from my DV cam. It's filmed inside a cave and its dark and sometimes blurry (usually what happens when you let someone borrow your cheap cam). I don't care too much about the blurriness(can't do a whole lot), I am trying to get this lighter and denoised. Speed is a minor concern. Clip Link 53MB Here is my current script Code:

mikeytown2! HDRAGC() need make on fields Code:

@Gavino, i miss labeled that, i need to remove green from the clip Been tweaking this, here is my latest one Code:

You might want to try as an alternative to HDRAGC, its' pretty good.

Good Find Chainmax, I used Autolevels elsewhere. I tried and HDRAGC is doing a good job. I couldn't directly replace it with Autolevels. Code: