Here is a video of how to assemble the paper models I have been writing about. I figured this part would be easier to show, rather than trying to describe it.
Here is a list of materials you will need:
Wire- available at craft stores and hardware stores. Avoid the wire in the jewelry section; it is too stiff, and too expensive. Floral wire works really well and comes in several thicknesses, or gauges.
Glue gun - low temperature or two temperature (use the low setting). You can touch the low temp glue after a few seconds.
Glue sticks - make sure you get the ones that fit your glue gun. I like the big ones myself. They last longer. Also make sure they are the right temperature. I try to get dual temp ones.
Wire cutters/needle nose pliers- can be found at any hardware or craft store. I got a set of three at Wal-mart for less than $5.
Putting the models together is not hard, as long as you are a little organized. Work on the biggest pieces first, then put them all together. I usually start with the head and trunk, using one long wire as the spine. Then make each limb. If you leave wires sticking out of the feet, they can stick into foam and stand up. Make sure you have enough wire sticking out at the end that connects to the body to make a little loop so it wont slide out of the glue.
For really small parts, you can also get really fine floral wire. This is especially useful in hands, since you can sandwich it between two layers of paper so you can get more flexible and realistic hands.