After you work through "May Day is Lei Day in Hawaii", for a snazzy little Hawaiian-style ending vamp try:
'G7' (0210)x2 strums, C7 (3000)x2 strums, F (one strum), then 3 quick strums, one for each barred fret "3-4-5".
It's an alternate Hawaiian vamp plus the "3-4-5" at the end. Sweet!
keep uke'in',