In Webmaster Tools, Google now lets you see Instant Previews of your site (under Labs). They say if the Preview "looks different from what users see, it could indicate Google is having difficulty crawling your page."
The preview generated within Webmaster Tools looks much worse than when I do an actual Google search and click the magnifying glass icon.
In WMT few, if any, graphics display on a page. But when I search for my site via Google, the only things that don't show are ads, such as Adsense and Amazon, the graphics do appear (at least in my browser).
Is this worth fussing with?