Ones I've enjoyed include Rickett's Hornpipe, Kingston Black, Fanny Frail, Just As the Tide Was A-Flowing, Loose Hornpipe, Peel the Pig, Barrack Hill, Y Fronts.
You can find lots of all types of Morris music (and many Border Morris tunes) on the CD The Magic of Morris 2, Talking Elephant Records available online at www.talkingelephant.com and at the Morris Shop online. I've played this CD so much my husband begs me to stop!