Simple B/W graphic for orchid society badges

[nancy]

Greetings -
We are trying to design a badge for our orchid society, and are having a really hard time finding a simple, non-copyrighted graphic of a single orchid flower (something frou-frou, like cattleya, slipper, etc.) to have engraved on the badge, along with our society name and the member name. AOS used to have a bunch of this kind of thing (including newsletter templetes), but it all seems to have been excised from the site.
Any suggestions, or clues where I might find such a critter? I have some of this kind of thing stored in my computer, but they are too 'pixillated' to make a good translation to a badge.
Any help would be thoroughly appreciated.
Regards - Nancy (Acadian Orchid Society)