Mail Merge template for a deal

Mail Merge template for a deal

I have a mail merge template for a deal. I have attachments in the deal which are images. Am i able to create/use a field to automatically insert these images in my template. They will only need to be a thumbnail size. Some deals will have a single image, others two or three. But they must be unique to that deal. I have them stored in workdrive at the moment.

TIA for any help.
Peter