#1, it's not "dirt".. I believe the word you're looking for is dingy.. They all can't be flying, sparkly ponies, now can they?
#2, Gryphons are not eagles.. A Gryphon is a mythological creature that does not exist IRL.. So someone else has a vision of a Gryphon that doesn't line up to exactly what YOU want..
Design your own game & characters.
---------- Post added 2012-12-24 at 02:53 PM ----------
If a gnome can make it, there is no reason in hell a Human can't.
<~$~("The truth, is limitless in its range. If you drop a 'T' and look at it in reverse, it could hurt.")~$~> L.F.
<~$~("The most hopelessly stupid man is he who is not aware he is wise.")~$~> I.A.
The horde wyverns aren't any better. At least the gryphons aren't full of holes.