For most of my clients, I need to create Breadcrumbs. Seemingly easily, breadbrumbs is an area that is a bit more involved than most features in Drupal. There's a great module out there called custom_breadcrumbs. The module works great for the display of breadcrumbs on all node pages, but doesn't (yet) work with views.
After doing some research about a solution for view pages, here's my favorite pick: Views Arguments.
For a simple overview page (that uses views), add a "Global: Null" Argument. Within that argument, select "Provide default argument" and select "PHP Code". In here, you can use the drupal_set_breadcrumb function. That function accepts an array of link titles and paths. Here's an example: