My first golf also, and not warnings safe. Followed some of belg4mit's conventions. 174 chars. 
($h,$f,@F)=(5,.3,qw'@ + O %');sub x{printf"%+${h}s\n",$_[0]};x('*');
sub f{my$x;for(1..$_[0]){$x.=(rand()<$f)?$F[rand$#F+1]:'='}$x}
for(1..($h-1)){$h++;x(f(1+(($_)*2)));}

[download]
Cheerio!
Osfameron

In reply to Re: (Golf) Decorating the Christmas Tree by osfameron
in thread (Golf) Decorating the Christmas Tree by Masem

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