Default view:

The next example assumes that you have added the Designer Name into the author field and the second example assumes that you have added the Kit Name into the caption field.

1. Go under Tools | Options,
2. expand File List,
   
3. click on Thumbnail Info,
   
4. click on Choose Thumbnail Info.
   
5. In this first example I have added Author.
   
   1. Click on ACDDatabase on the left to expand it out,
      
   2. click in the Author box,
      
   3. and click Add.
      
   4. Click on OK, and OK again. And this is what you see:

If you want to see Kit Name & Author and no filename.

First I removed the file name. (Not sure if you will like this. I use my images by dragging and dropping into my editor so I rarely refer to filename.)

1. Go to Tools | Options,
   
2. expand File List,
   
3. click on Thumbnail Info.
   
4. Uncheck the box that says File Name.
   
5. Also, repeat the step above and add Caption in addition to Author.
   
6. You will get this:

Now that you know how to customize your thumbnails, you can make them how you want to!