Hi Ted,

Loved the nudist pun. Here's a footnote from the collective nouns link that I posted not so far away in my "??? of Wizards" post:

(5) According to Jeansp@aol.com:

The suggestion about an anthology of prostitutes is part of a joke I heard years ago:
A group of specialists in collective nouns was in bar an observed such a group of professionals and came up with the following:
A jam of tarts
A flourish of strumpets
An anthology of English pros