Wanting to edit a google maps info bubble

I have to edit an info bubble on a website to help someone out. The site is already online and i dont have the ftp login details so i cant download the files and use them locally to test it. So im having some issues with inserting a logo on the top of the bubble, like a header. Im also having problems with the code needed to add 'to here' and 'from here' directions at the bottom of the bubble. Everything else is plain text in the middle of these 2 objects, so thats easy.

Can anyon开发者_开发技巧e help me with the header pic and directions code?

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I think this demo from google might be what you want:

http://kml-samples.googlecode.com/svn/trunk/interactive/index.html#./Point_Placemarks/Point_Placemarks.Descriptive_HTML.kml.

It does not show actual images, but it shows how to put that kind of HTML in the bubbles.