For those of you who don't know Humble Bundle sometimes has tons of assets bundled for about 30$   They also have a awesome 1$ deals too.  

Grab, sometimes hundreds of Models, Set Pieces, or Characters for $25 or $30.

www.HumbleBundle.com

This was made with ai not blender. Davinic to edit. and music maker for the music.

3d total has quite a large free section of magazines and information relating to 3d.

You can get the free stuff here.

I made this test animation for an excellent tie fighter from Technouveau Art.   I found the engine and exhaust in blend kit, and added them to the model.  I then select a row of polys in the engine and used blendkit again using the solar sun material.