@unknownuser said:
...a solidworks file will not import directly into sketchup so you'll have to export from solidworks a file type that's compatible with sketchup...
Ditto with PSD. See what file types you can import into SU (free and pro) here: http://sketchup.google.com/product/whygopro.html
Edit: maybe this page is better:
http://support.google.com/sketchup/bin/answer.py?hl=en&answer=36217