phranque - 4:02 am on Jan 29, 2010 (gmt 0)

no problem whatsoever.
for example these are both reasonable structures:

example.com/red/widgets.html
example.com/blue/widgets.html
example.com/green/widgets.html

or

example.com/widgets/red.html
example.com/doohickeys/red.html
example.com/thingamabobs/red.html