Yes you can...as long as you zip it and its smaller than 1M you can upload .ma. Otherwise you could always dropbox or similar. Lighting is a very tricky subject...if you are able I would suggest going to the training section and download the essential lighting tut mate.
cheers bullet
I agree with stwert...bevel the edges...makes it appear smooth as nothing is truly that sharp.
bullet1968
"A Darkness at Sethanon", a book I aspire to model some of the charcters and scenes