Lol Pete you'e gotta be kidding us? I'm still laughing as I'm typing this. Those plants are worthless. Dump them now and bin the halogen so you're never tempted to use it again. That's up there with the worst cases of stretch I've ever seen.
The pictures of the soil and general area from what I can see look otherwise reasonable. Start germing some new seeds, get a couple of 23watt+ 6500K compact fluorescents like Italiano said and keep them 2-3 inches away. Once they get some foliage energy behind them you can switch to the 600Watt HID and they'll explode.
Start a grow log when you do it so people can help you along the way. In this instance it would have saved you 4 weeks and a few bucks on the power bill.