There is search functionality that will allow to easily find templates based on keyword search or a particular color. If you click the three bar menu icon on the left hand side, you will see a keywords search box. As you can see below, a search for your query of flowers returns several different templates, so you shoudl not need to scroll as much.
As I noted before, we've developed the new templates to ensure compliance with eBay's policies and based on the data that shows consumers use mobile devices to shop on ebay. Mobile responsive templates equate to higher sales conversion rate for your listings. Every month we are adding new templates to the selection, so keep an eye out.