Newsblur does not display thumbnails for Craiglist search feeds. Looks like they use CSS to pull in the images on their search results. It would be nice to have a custom handler to display these images in Newsblur feeds.
Excerpt from RSS:
<a href="https://sfbay.craigslist.org/nby/tls/d/santa-rosa-various-gear-pullers/6812617619.html" class="result-image gallery" data-ids="1:00Q0Q_10dwbbJ1z6z">