Wendy does have a tape, go to:
this is less about "movement" than relating but theres some stuff i think you can use.
Richard's video "Aikido in 3 'easy' lessons:well it seems aikidoofmarin.com is down but try anyway...- yes it looks to me like very slow, flowing techniques with no throws or falls (or very few).beautiful stuff, in any event.
then there's tango. much more aikido-like than ballroom....