There are two free FandangoNow movie rentals (up to 4.99) ads on Roku devices. One is for T-Mobile, the other is for Geico. Click on the ads and follow instructions, a code will be sent to your email that can be used for a rental at FandangoNow.com [fandangonow.com]
. I toggled back and forth a few times and they came up pretty quickly.
There's a third code via a Starbucks ad see