Your model lies quite far from the SU model origin point (more than 2 kilometers). As it is, a scaled export from a plan view worked OK, but the unscaled perspective view didn't. When I moved the model to the origin it worked OK. Anssi

Check out the key caps you have in the fonts you are using or possibly change fonts such you can find a symbol you want. You can use that to add symbols but not the exact one you have in the OP unless you want to make a special font. Look under start, programs, accessories, system tools and character map. For your fonts it will show the code to type for the selected symbol. Examplt http://sketchup.google.com/3dwarehouse/details?mid=2d79c340445bb6b89f30f02514717f00

You can insert any insertable content (png images and such) into a simple layout file then go to File menu > Save as scrapbook. Then you will find your custom scrapbook content in the Scrapbooks browser on the right.