Transition Between Multiple Slidetoggle Divs

The basic functionality of my webpage is that I will have thumbnails, .thnail which will display a project, when clicked, a drop down panel, .dropdown, will slide down to show imag

Solution 1:

Here's the jsfiddle to slide multiple elements. You might notice that the elements below the dropdowns would "shake" when switching between dropdown.

Take alook at this jsfiddle to minimize that shaking. The top ones are the exact same one as above, and the bottom ones are the variation.