It is RUST #9 in the old Beginner's Course or Strumming DVDs. D DU UD. 1 2 and and 4. Check out the Rhythm lessons in the Beginner's and Intermediate courses to start. The uke is slowly opening up to me, but until the song book arrives my education is bad to the scattershot of random YouTube lessons.
There seems to be a gap in the market for a comprehensive structured Beginner's course.
Squier Custom II Telecaster, Yerasov GTA 15, Vox Wah, Bad Monkey overdrive, Belcat Analog Delay, MXR Phase 90, Ditto X2 looper, MXR Dyna Comp, Boss TU3, bashed-up acoustic, Keyser and Shubb capos, picks, Voodoo Labs PP2