Configure header area for adsense

I have read various posts about adsense in the header area. I want to put adsense to the left of my header image in the same line where there is a open white space. My header image is aligned to the right.

I used the header config below:

%bar1 %logo %bar1 <table><tr><td>Google Code</td><td>%image</td></tr></table> %bar2 %pages.

The header image does not show. If I replace it with text, I do see the text. I made the image very small to ensure it fits.

What am I doing wrong.