This recipe allows you to show a determined number of products in the Also Purchased Products box even when sales have not been made yet. This module checks for sales and the number you'd like to display, and if the number generated by the regular Also Purchased Products query is too low, random products are added. This is a very important feature for new shops or shops already using the Also Purchased Products box for design purposes, and not wanting it to look different on different product pages.
Your screen will look like this screenshot with your Also Purchased Products box filled to the brim (defined in admin to show six products):
