&lt;strong&gt;Title: &lt;/strong&gt;This is used in the lightbox description field.&lt;br/&gt;&lt;br/&gt;
&lt;strong&gt;Image URL: &lt;/strong&gt;You can add an image of any size here and the 270 x 150 px thumb will be generated automatically.&lt;br/&gt;&lt;br/&gt;
&lt;strong&gt;Link URL: &lt;/strong&gt;Use this ONLY if you want to use a youtube or vimeo video as the lightbox view.&lt;br/&gt;&lt;br/&gt;
&lt;strong&gt;Caption: &lt;/strong&gt;This is the HTML text shown below the image.