The secret is in the details...
Thank god i have a magnifier headband or I could never paint some of these tiny things.
Anyway, I am just about done painting the heads. After that the boots and clothing should be a breeze! 
Boma head painted:
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The Galileo 7 - WIP 044 by Steve J, on Flickr
Not sure why but I seemed to have added 20 years to the actor's actual age with my re-sculpt of the Galileo Interior kit's Kirk head.
Also, I layed on the enamel for his hair real thick then dotted at it with a fine microbrush leaving it to dry with a little lumpy texture like real hair.
He does have a sort of annoyed smirk though much like the emotions the character's face showed.
McCoy head painted:
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The Galileo 7 - WIP 046 by Steve J, on Flickr
He is looking to his right. Maybe a little concerned about something.
Kudos to Round2, their kit's McCoy head really does look like McCoy, a great sculpt.
Spock and Guetano heads painted:
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The Galileo 7 - WIP 045 by Steve J, on Flickr
The secret to Spock was the upward curl at the tips of his eyebrows.
I aadded a little yellow and olive to the mix for his skin tone. :vulcan2:
I also added brown and dark blue to the black enamel for the hair.
Guetano looks sorta...:thinking:... mousy?
Much like the character in the episode IMO.
Scotty and Latimer heads in progress:
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The Galileo 7 - WIP 047 by Steve J, on Flickr
Eyes are almost done; just need their iris's dotted.
Then need eyebrows, lips, and hair painted.
Thanks for your comments!