Change Item Heights

It looks like the min-height CSS attribute helps control the distance between elements. I changed it in the inspector testing http://zatzlabs.com/project/better-recent-posts-widget/ and it moved the elements closer together.

It’s all a matter of the right CSS and attributes. Some of that can be managed at the plugin level, but you’re mileage will vary because your theme has a lot to do with the active CSS.