The IRS has available on their web site a number of short, narrated courses on a variety of topics. They are in PDF format, with each set of slides or entire presentation downloadable. Length is from 7 to 37 minutes.
Courses are available here. Specific classes are:
Presentation 1: Navigating IRS Resources for Tax-Exempt Organizations
Presentation 2: Political Campaigns and Charities: The Ban on Political Campaign Intervention
Presentation 3: The Wonderful World of Foundation Classification (Part I)
Presentation 4: Can I Deduct My Charitable Contributions?
Presentation 5: Applying for Tax-Exempt Status
Presentation 6: Preparing to File the New Form 990
Presentation 7: The Redesigned Form 990 – Part I
Presentation 8: The Redesigned Form 990 – Part II
Presentation 9: The Redesigned Form 990 – Part III
Presentation 10: The Redesigned Form 990 – Part IV
Presentation 11: An Overview of Form 990-EZ
Presentation 12: Disaster Relief – Part I
Presentation 13: Disaster Relief – Part II
Presentation 14: 403(b) Tax-Sheltered Annuity Plans – Employee
Presentation 15: 403(b) Tax-Sheltered Annuity Plans – Employer
Hope you can find something for you!