Ridley Scott's Alien Monster

Leading from:
The Creature

a) Into The Necronomicon
b) Looking for the Alien's Nucleus
c)  The Sudanese
d) Bolaji Badejo from the Gold Coast
e) The Salamander People
f) The Chestburster
g) The Facehugger 
h) The Spores
i) Giger's Paintings that led to the big Alien
j) Roger Dicken's big alien
k) Creating the Alien
l)  Physicality of the alien creature
m) Life Cycle of the Alien 
n) Human to Spore stage
o)  An intermediary stage
p) The alien as a folded up box
q) The alien as a dragon
r) Saliva Story

Alien creature (source: http://wh.joyreactor.cc/post/681422)