I don't know of any studies but I, for one, would be much more inclined to click on a [pic] link compared to a text one, given the topics are of nearly equal in

I don't know of any studies but I, for one, would be much more inclined to click on a [pic] link compared to a text one, given the topics are of nearly equal interest. The reason is, you can judge the relevance/interesting-ness of a photo at a glance, comes in handy when you want to review a lot of entries.