Improving a required course in our curriculum that has proven to be a challenge for our students was the focus of this study. Surveys of both students and instructors attempted to identify specific problem areas. Using the information from these surveys, the researchers developed a series of videos to explain vital course concepts and deployed these into the course sections. The purpose of the videos is to provide consistency across the multiple modalities in which we offer our courses (including online, classroom and via videoconferencing) and to improve overall student understanding. This project seeks to determine how supplemental content focusing on material identified as "difficult," by students and instructors, can impact student performance. Challenges include the deployment of the videos across various modalities and obtaining sufficient student feedback.