Hi ashley,
I just created a custom template entitled "Auctiva Test" within your Auctiva account that I believe will help you accomplish this. One of the main changes I had to make was removing your table from the template and placing it in an item details profile instead. This will allow you to fill in the table while creating your listings, which you wouldn't have been able to do by incorporating the table into the template.
You can now select this template by selecting the "Custom" option in your Auctiva template library. If you would like your table to be appear automatically within the description editor, you can start by loading your master profile entitled "Auctiva Test Master". Then you can fill in your table and type up the rest of your description directly in the editor.
The aforementioned master profile currently only had an item details profile associated with it because that was necessary to make it so you could preload your table into your description. If you would like to incorporate a shipping, checkout, or marketing tools profile into that mater profile, you are welcome to do so.
Hope this helps. If you have any additional questions or concerns about modifying or using this template with Auctiva, please let me know.
-Mike