(I believe in Perl circles this is called Golf.  This is the first
thread I've seen of Ruby Golf..)

174 bytes:

def b(n) "#{n>0?n: 'No more'} bottle#{n!=1?'s': ''} of beer";end
99.downto(1){|n|w=" on the wall";puts "#{b(n)}#{w}, #{b(n)}\nTake one down, pass
 it around\n#{b(n-1)}#{w}."}

	Steven

"This bowling ball isn't human.  It doesn't feel pain.
It can't be reasoned with!"