If you want to include your Actinic image as part of the Ebay desciption (allowing you to pay less Ebay fees if using multiple images) you should use the following approach:
You need to define you description with the Product Mash to include your image. You should create a Property called Description with a value of the following:
!!Description!!<html><body><img src="!!Image!!"></body></html>
This will create an Ebay description that contains the Actinic description followed by the product's image. The product Mash property is shown below: