Check out the conversation here http://www.webmasterworld.com/forum1/562.htm [webmasterworld.com]
I don't think anyone is quite sure yet what the criterion is to show the picture. Do you have any ideas?
Try this search [search.uk.altavista.com] and this one [search.uk.altavista.com]
Incidentally does the 2nd search indicate that the text in an external link is more important that the title of a page ?
I'm looking at what they are "avoiding" in choosing what to display. Size seems to be a factor in that they "skip over" the traditional button type navigation graphics. They also seem to avoid anything with a banner type size ratio. As for positioning they seen to aim for below the middle point of the page. The easiest way to force the choice of image is to only have one.
I'm just wondering if this ins't just completely random,one thing I've noticed with my only 2 clients that have pictures next to the listing is, if another search is done under a different keyword the picture is displayed again