I was browsing the Great TML Landgrab site and lamented the fact that many of the grabbee sites don't have maps showing where the systems are.
Now there's no excuse - just add the following line of HTML to your page, adjust the coordinates, and you've got a full fidelity map:
<iframe src="http://www.travellermap.com/iframe.htm?x=-95.914&y=70.5&scale=64&options=887" style="width: 200px; height: 200px; border: solid 1px black;"></iframe>
Note that it looks like a Permalink from the site, but with one subtle difference: "/iframe.htm" is specified rather than just the default page ("/"). This is a version of the map with no UI, specifically for embedding.
You can get the x/y by finding the system on my map site and using the "Permalink" feature in the footer - click it and it will give you the full permament URL of what you've got centered. Then copy/paste into the URL above - remembering to change the URL to include "iframe.htm"
You'll get something like this:
Note that it's a fully functional map - you can drag with the mouse and zoom by using the mouse wheel or double-clicking (hold Alt to zoom out).
Edited 2007-03-19 to call attention to the "iframe.htm" part of the URL necessary for embedding.