Have you tried
istockphoto.com - not as easy to browse as the big (and ugly) getty images but... you never know, you might find what you are looking for... and it's 'free'
(repeating myself - second time I mention this site - it's not intesional...)
if you are after cut-out office figures... I got a cd kicking about somewhere (fairly good, fairly 'hi-res' - but they use the same models on many of the shots). Anyway, can find out what it's called for you if you want...
Dorian
www.i-ll-i.com