no, when you make a jacket for example, you do it like if it was a normal hat, but the difference is that with a hat normally you apply all the vertices to one bone (bip_head)

For a jacket, you have to assign each group of vertices to their bone so it moves along with the body

try shift + c, see if that works

there's a good tutorial on tf2 texture's style on polycount forum, link here[www.polycount.com]

Are you using the new fixed version? (not that much new, but still)
http://www.polycount.com/forum/showthread.php?t=87680
if you are using this one and crashes, i don't know what is happening...

http://steamcommunity.com/groups/BlenderTutorialCommunity/discussions/4/648814842972953320/

hope it helps

http://gyazo.com/b8babbf3356bccca8b731e9841e16532.png

i usually put my files in "usermod" instead of "tf", but i don't think that is the problem...
you can try if you want

In the importer, you can adjust the phong to be 0 so it doesn't shine. (by default is 0.5 iirc)

If you watched the video, i think the old one had 3 parts, 1- making the model, 2- Texturing and 3- importing. part 3 of the old tutorial is the one you don't wan't to follow, as it's obsolete with the new importer and it's covered by the new tutorial

Well, each one of those needs their own explanation.

For paintable textures: You need a texture made with the part you want to be painted white (with just the AO map), and in the alpha channel of that texture, you need to paint white the part you want to be painted, and black the rest of the texture. Then in the importer, you check "Paint VMTs" and in the vmt editor, you will have to set the RGB values for the default color.
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Team colored textures: You just need to make 2 versions of the texture, one for blu and the other one for red. In the importer, where it says skins, instead of "All Team" choose "Specific team". Then you'll be able to choose a texture file for RED and another one for BLU (and they can be paintable, just do the same as above)

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Shiny textures: If you aren't going to make the item paintable, just paint the alpha channel with white on the parts you want shiny, and in the VMt editor in the importer, check the "Base map alpha phong" and adjust the "Phong boost" option so it shines as you want.
If the item is paintable, you'll already have an alpha channel (in case only some parts are paintable). Then, you need a plain normal map (max 256x256 pixels) with an alpha channel painted the same way you would paint it in the original texture for the phong. Again in the importer, go to the VMT editor and load the normal map into "shared normal", uncheck the "Base map alpha phong" option, and adjust the "Phong Boost" option to your like.
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Aside from that, i don't know how to make transparent textures, but i hope all the walltext i wrote helps you ^-^
And if you don'tunderstand something, feel free to ask