I just finished putting together my burner and propane connections, so maybe I can be of help. I'm using a combination aceytylene/LP regulator I picked up at a local Harbor Freight store. I didn't see it on their website, but it's made by Smith Equipment,
http://www.smithequipment.com/products/regul/regul.htm#single , this link should take you to Smith's page. I paid $69.00 for it, and it attaches directly to a BBQ size propane tank. You should be able to order it through a welding supply house.
The local welding supply house said not to use a regular acetylene regulator or hose because something in the propane is not compatible with the seals in the reg. and the hose. I had an 8' section of "N" type (I think)propane hose made up with a fitting on one end that connects to the regulator, and a fitting on the other end that connects with a quick disconnect (brass, typically used for air tools). The QD is attached to a 1/4" brass ball valve attached to the burner.
The hose and crimped on fittings was made up while I waited and cost about $20.00 from
http://www.hose-man.com . They have a local store, and if it has to do with hose, they have it! The QD, ball valve, and other parts came from Home Depot.
I will email pictures or post them if you want.
Patrick
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A Democracy: Three wolves and a sheep voting on dinner.
A Republic: The flock gets to vote for which wolves vote on dinner.
A Constitutional Republic: Voting on dinner is expressly forbidden, and the sheep are armed.
[This message has been edited by Patrick56 (edited 05-09-2001).]