I’ve produced a series of twenty basic ukulele lessons for Video Guitar Lessons.com.  You can visit the site and take one free lesson on basic strumming.  All lessons are three to five minutes in length.  Here is the full list of lessons.  If you are just getting started you may want to give this lesson series a try.

Level 1 Beginner

1: History and Parts
2: Holding the Ukulele
3: Tuning The Ukulele
4: The Basic Strum
5: Fretting Notes
6: What Is A Chord?
7: Training Your Fingers
8: Learning To Listen
9: Timing and Tempo
10 First Two Chords
11: Major and 7th Chords
12: The Key of F
13: Moving Between Chords
14: Learning Songs
15: Strumming Patterns
16: I-IV-V7 Chord Progression
17: A Minor Chord
18: Bb Chord
19: Fancy Strums
20: How To Practice