From today's e-mail:

motor-driven parrot mouth oyster knife old-bachelorship peace guild
mighty-handed oat mill nectar-streaming oak-beamed off-look
near-coming pear borer midnight sun pea coal

mound builder nettle butterfly passion-frenzied off-falling palm grub mountain bracken missal letter
noncommutative algebra one-pound never-failing
owala tree Mosquitoan family Panhandle state owl-haunted nimble will Pan-serb paper machine parrot bullfinch nutmeg geranium Mid-atlantic ox fence overload starter mortise gear
mole-blindedly Monroe doctrine oat sheller paint remover owl-eyed
number one panther cat mid-refrain Non-asiatic

Non-welsh never-changing Pan-british nigh-hand minimum-wage law oscillation constant mother ship
middle-shot wheel mid-off parcel delivery
mortise gauge parrot-billed Milan point orange-rufous mis-lie mulier puisne neck verse pearl-bush

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I'm particularly fond of "Mid-atlantic ox fence".