Save sketchup model with material in a easy way?

Hi, when I import a sketchup model, the material is located in some temp folder, so when I do a save as to a location where I would like to store the model I loose all the material.

Of course I can copy all the materials from the temp location into the correct folder and reassign the material.

But wouldn't it be nice when I do a save as to have everything included?

Or do I do something wrong? How do you do when saving models from 3D Warehouse to your local system?