Any good page optimisation must include adding a description to every picture on your page.  This in turn tells search engines what the picture is about.

This is done using the ALT tag. 
Example: <img alt=”a description of this picture” src=”filename.jpg”>

In the video below, Matt Cutts gives a quick and useful overview of what the ALT tag is and how to impliment it:

Finally, GoogleEyed goes live. 

My contribution to the world of Google and all things good on the web!