OK, I found a lot of links to tutorials. So credit goes to a lot of people 
I hope it helps
Link #1 Alans MC H1 suit
http://halo.bungie.org/misc/cb_mcsuit.html
Link #2 Basball Helmet to MC Helmet
http://mydumbprojects.blogspot.com/2005_09...ts_archive.html
Link #3 An old-school Halo 1 suit, some useful info:
http://nikon.bungie.org/misc/ajames_mcsuit/#01mar05
Link #4 GoldCylons photo gallery (of EVERYONES work) and his build-up photos:
https://byyourcommand.net/photogallery/Halo...er-Chief?page=1
Link #5 TK560's extensive Vacuum Forming tutorial:
http://www.tk560.com/vactable4.html
Link #6 Two mold-making tutorial vids from Spartan 648:
http://one.revver.com/watch/117434
http://one.revver.com/watch/117442/flv/affiliate/47406
Link #7 Polytek Catalog/mold-making manual (PDF file):
http://www.polytek.com/catalog/catalog.pdf
Link #8 Mold-making and prototyping videos from Freeman Supply:
http://www.freemansupply.com/video.htm
Link #9 Proportioning costumes based on photographs:
http://www.whatishcc.com/tutorials_proportioning.php
Link #10 Styrene sheeting and volara/craft foam:
http://amethyst-angel.com/armormaking_materials.html
Link #11 Strapping tutorial:
http://www.gotarmor.net/buildlog3.html
Link #12 H2 Master Chief (Spartain-117) .3DS Model:
http://hce.halomaps.org/index.cfm?pg=3&fid=2162
Link #13 Picture of above model unfolded:
http://img219.imageshack.us/my.php?image=masterchief2im1.png
1200x1200 version of this with watermark:
http://www.fileden.com/files/2007/4/1/9462...asterchief2.png
Link # 15 Basic processes (click on "how to"):
http://www.bioweapons.com/BIOWEAPONS/
Link # 16 Trevor Chesler's Armor mini progress Tutorial:
http://nikon.bungie.org/misc/trevor_chesler_armor/
Link # 17 Finnish Spartan's cardboard armor:
http://nikon.bungie.org/misc/finnish_spartan_armor/
Link # 18 French (language) Armor build-up site:
http://spartanproject.ifrance.com/
Link # 19 Armor and Propmaking for the Fiberglass-Phobic
http://entertainment.howstuffworks.com/fra..._materials.html
Link # 20 Highwaters description of making a set of Spartan Armor :
http://nikon.bungie.org/misc/forging_the_hammer/
Link # 21 Chris Bryans mini fiberglass and pattern tutorial from Link 1:
http://halo.bungie.org/misc/cb_mcsuit.html?tutpage=1
Link # 22 NEW!!! How to make a cardboard costume helmet:
http://www.makezine.com/blog/archive/2006/...ard_costum.html
Link # 23 NEW!!! How to make a cheap mini Vacuum Former:
http://www.instructables.com/id/ELPFLBN6A9EYJ3I2F0/
Link # 24 NEW!!! Chipped Paint Style, Paint Tutorial:
http://www.therpf.com/index.php?showtopic=127341
Link # 25 Packing tape body double.
http://www.wikihow.com/Create-a-Packing-Tape-Sculpture
Link # 26 Helmet tutorial
http://www.imperialcommandos.com/IC%20Helmet.htm
Link # 27 Brushable mould
http://www.youtube.com/watch?v=VRh6jXc94oE...ted&search=
Link # 28 Brushable mould and fiberglassing
http://www.youtube.com/watch?v=MNJfAqYt82s
Link # 29 How to fiberglass using a fiberglass mould
http://www.youtube.com/watch?v=wSfftRVKwYY...ted&search=
Link # 30 Beginner vacuum forming
http://www.youtube.com/watch?v=KUl4WjD23Bk...ted&search=
Link # 31 Fiberglass molding tutorial:
http://www.paper-wings.org/tutorials/armor/fiberglass.html
Link # 32 More fiberglassing and bondo tutorial:
http://www.paper-wings.org/tutorials/armor/bondo.html
Link # 33 Dual Visor
http://mjolnirarmor.com/forums/viewtopic.php?p=24018#24018
Link # 34 Making good folds for Pepakura
http://mjolnirarmor.com/forums/viewtopic.php?t=2043
Link # 35 Pepakura Fiberglass and Smoothing Tutorial
http://mjolnirarmor.com/forums/viewtopic.php?t=2234
Link # 36 Helmet Fan setup tutorial
http://www.mjolnirarmor.com/forums/viewtopic.php?t=2293
Link # 37 Painting Booth Tutorial
http://www.mjolnirarmor.com/forums/viewtopic.php?t=2290
Link # 39 Resin and Fiberglass Tutorial
http://mjolnirarmor.com/forums/viewtopic.php?t=2287
Link # 40 Wiring LED's
http://mjolnirarmor.com/forums/viewtopic.php?p=30773#30773
Link # 41 Molds for complex parts
http://www.youtube.com/watch?v=LSH19G_6Yeo
Link # 42 How to make yourself taller
http://405th.com/forums/index.php?showtopi...amp;#entry50846
Link # 43 Vacuum form, Rubber mask, weapons etc
www.studiocreations.com/howto/index.html
Link # 44 How to make a two-part mold (for smaller pieces)
http://www.youtube.com/watch?v=LSH19G_6Yeo
[STARWARS]
For you starwars fans! http://www.imperial-fleet.com/bbcforum/viewtopic.php?t=91
For all of you who say "Happiness is a belt fed weapon" http://www.restrainingbolt.com/tutorials/p...n_tutorial.html
an easyer one http://www.thedentedhelmet.com/forums/showthread.php?t=13595 I will be making this one!
For all you Mandalorians http://www.thedentedhelmet.com/forums/showthread.php?t=9190
The ultimate stormtrooper tutorails http://www.tonybarnett.plus.com/tutorial.html
I hope it helps
Link #1 Alans MC H1 suit
http://halo.bungie.org/misc/cb_mcsuit.html
Link #2 Basball Helmet to MC Helmet
http://mydumbprojects.blogspot.com/2005_09...ts_archive.html
Link #3 An old-school Halo 1 suit, some useful info:
http://nikon.bungie.org/misc/ajames_mcsuit/#01mar05
Link #4 GoldCylons photo gallery (of EVERYONES work) and his build-up photos:
https://byyourcommand.net/photogallery/Halo...er-Chief?page=1
Link #5 TK560's extensive Vacuum Forming tutorial:
http://www.tk560.com/vactable4.html
Link #6 Two mold-making tutorial vids from Spartan 648:
http://one.revver.com/watch/117434
http://one.revver.com/watch/117442/flv/affiliate/47406
Link #7 Polytek Catalog/mold-making manual (PDF file):
http://www.polytek.com/catalog/catalog.pdf
Link #8 Mold-making and prototyping videos from Freeman Supply:
http://www.freemansupply.com/video.htm
Link #9 Proportioning costumes based on photographs:
http://www.whatishcc.com/tutorials_proportioning.php
Link #10 Styrene sheeting and volara/craft foam:
http://amethyst-angel.com/armormaking_materials.html
Link #11 Strapping tutorial:
http://www.gotarmor.net/buildlog3.html
Link #12 H2 Master Chief (Spartain-117) .3DS Model:
http://hce.halomaps.org/index.cfm?pg=3&fid=2162
Link #13 Picture of above model unfolded:
http://img219.imageshack.us/my.php?image=masterchief2im1.png
1200x1200 version of this with watermark:
http://www.fileden.com/files/2007/4/1/9462...asterchief2.png
Link # 15 Basic processes (click on "how to"):
http://www.bioweapons.com/BIOWEAPONS/
Link # 16 Trevor Chesler's Armor mini progress Tutorial:
http://nikon.bungie.org/misc/trevor_chesler_armor/
Link # 17 Finnish Spartan's cardboard armor:
http://nikon.bungie.org/misc/finnish_spartan_armor/
Link # 18 French (language) Armor build-up site:
http://spartanproject.ifrance.com/
Link # 19 Armor and Propmaking for the Fiberglass-Phobic
http://entertainment.howstuffworks.com/fra..._materials.html
Link # 20 Highwaters description of making a set of Spartan Armor :
http://nikon.bungie.org/misc/forging_the_hammer/
Link # 21 Chris Bryans mini fiberglass and pattern tutorial from Link 1:
http://halo.bungie.org/misc/cb_mcsuit.html?tutpage=1
Link # 22 NEW!!! How to make a cardboard costume helmet:
http://www.makezine.com/blog/archive/2006/...ard_costum.html
Link # 23 NEW!!! How to make a cheap mini Vacuum Former:
http://www.instructables.com/id/ELPFLBN6A9EYJ3I2F0/
Link # 24 NEW!!! Chipped Paint Style, Paint Tutorial:
http://www.therpf.com/index.php?showtopic=127341
Link # 25 Packing tape body double.
http://www.wikihow.com/Create-a-Packing-Tape-Sculpture
Link # 26 Helmet tutorial
http://www.imperialcommandos.com/IC%20Helmet.htm
Link # 27 Brushable mould
http://www.youtube.com/watch?v=VRh6jXc94oE...ted&search=
Link # 28 Brushable mould and fiberglassing
http://www.youtube.com/watch?v=MNJfAqYt82s
Link # 29 How to fiberglass using a fiberglass mould
http://www.youtube.com/watch?v=wSfftRVKwYY...ted&search=
Link # 30 Beginner vacuum forming
http://www.youtube.com/watch?v=KUl4WjD23Bk...ted&search=
Link # 31 Fiberglass molding tutorial:
http://www.paper-wings.org/tutorials/armor/fiberglass.html
Link # 32 More fiberglassing and bondo tutorial:
http://www.paper-wings.org/tutorials/armor/bondo.html
Link # 33 Dual Visor
http://mjolnirarmor.com/forums/viewtopic.php?p=24018#24018
Link # 34 Making good folds for Pepakura
http://mjolnirarmor.com/forums/viewtopic.php?t=2043
Link # 35 Pepakura Fiberglass and Smoothing Tutorial
http://mjolnirarmor.com/forums/viewtopic.php?t=2234
Link # 36 Helmet Fan setup tutorial
http://www.mjolnirarmor.com/forums/viewtopic.php?t=2293
Link # 37 Painting Booth Tutorial
http://www.mjolnirarmor.com/forums/viewtopic.php?t=2290
Link # 39 Resin and Fiberglass Tutorial
http://mjolnirarmor.com/forums/viewtopic.php?t=2287
Link # 40 Wiring LED's
http://mjolnirarmor.com/forums/viewtopic.php?p=30773#30773
Link # 41 Molds for complex parts
http://www.youtube.com/watch?v=LSH19G_6Yeo
Link # 42 How to make yourself taller
http://405th.com/forums/index.php?showtopi...amp;#entry50846
Link # 43 Vacuum form, Rubber mask, weapons etc
www.studiocreations.com/howto/index.html
Link # 44 How to make a two-part mold (for smaller pieces)
http://www.youtube.com/watch?v=LSH19G_6Yeo
[STARWARS]
For you starwars fans! http://www.imperial-fleet.com/bbcforum/viewtopic.php?t=91
For all of you who say "Happiness is a belt fed weapon" http://www.restrainingbolt.com/tutorials/p...n_tutorial.html
an easyer one http://www.thedentedhelmet.com/forums/showthread.php?t=13595 I will be making this one!
For all you Mandalorians http://www.thedentedhelmet.com/forums/showthread.php?t=9190
The ultimate stormtrooper tutorails http://www.tonybarnett.plus.com/tutorial.html