There is really only one way to peel green chilies; roast them. I use a lot of the Anaheim long green chilies. The flavor is milder than say a jalapeno but it still has some bite and a terrific flavor.
Usually to roast them I rub a bit of oil on the skins and drop them on the BBQ grill while I'm cooking something else. You just turn them until they are equally charred on all sides and put them in a plastic bag. Their heat will cause them to steam a bit loosening the charred skin. When cooled the charred skin slips right off. Slice open one side and remove the seeds. I always snip off a piece to assess their hotness. If they are too hot for you remove the veins on the inside. That is where the heat is. Wear gloves if you are the least bit sensitive to the chili oil and whatever you do, don't touch your nose or eyes. That goes for any other chili you are handling.
When I only want one or two I turn on the gas burner and roast them there. It's quick and I love the smell in the kitchen of roasting chilies. Just remember to turn them carefully so all areas gets charred. Those odd shaped ones are difficult to keep on the burner so make sure to buy long straight ones at the market.
Cook them the same as above and remember when you are peeling off the skins and removing the seeds, don't do it under running water, it dilutes the flavor but do give them a quick rinse. I like to leave just a bit of the char on some of the chili to add some additional flavor.
We've posted a number of recipes with green chilies. Here are just a few.
Green Chili Quiche
Doodles Chili Verde