Hello atlas7d. First bing up the image of the ship. Then, hit "ctrl and Prt-Scrn. This will save a copy of the image to your "screenshots" folder. If you want to post it in a thread here, you will have to use a third-party. The most commonly used is ImageShack.
For easy to use instructions on how to do this, read this post by Drengin:
WWW LinkGood luck.