You can add screenshots of your item and these images will be displayed on the search results pages.
Edit your item, in the Item Attachments area, upload a new Theme Preview .zip file containing your images. The first image appears on the Item Page and search results must be 590x300 pixels and should follow the naming convention 01_<filename>.jpg.
You can include additional images which show off your item. Additional images must be named in the order that you want them to appear, for example, 02_<filename>.jpg, 03_<filename>.jpg, 04_<filename>.jpg and so on.
These images can be a maximum of 900x900 pixels and they may be cropped when displayed on the search results pages to the same aspect ratio as the main preview image. The image format must be JPG or PNG.