On Flight Rising go to the dragon you want to preview on.
Just under the name select it's ID (without the #), right click it and copy it.

On Flight Rising go to the "Scrying Workshop" and select "Predict Morphology".
After creating the dragon of your choosing, right click the image and copy it's URL.

On Flight Rising go to the "Dressing Room" and select either option to dress a dragon.
After dressing the dragon to your liking, right click the image and copy it's URL.