[Koha] Dynamically generating content for OPAC "main"?

Hello everyone, We've seen other libraries create "lists" and then populate the "main" section of the OPAC screens with those lists, but we're wondering if that content could be dynamically generated instead of hard-coded HTML? For example, we'd like it to list "NEW" items added to our collection in the last 30 days.but instead of us having to manually maintain that list of what's new in the last 30 days we'd like it to run some SQL and generate that list "live". Anyone know a way to do this? THANKS as always! Steve