Learn all about Fillers & Glue
—Explain the different types of gap filling materials, glues, etc.

http://www.scalemodelguide.com/construction/materials/learn-gap-fillers/
http://www.scalemodelguide.com/construction/materials/learn-glue/

Techniques and Uses for Milliput putty
—Using Milliput epoxy putty, but the techniques can be used with same kinds of putty.

http://www.scalemodelguide.com/construction/techniques/techniques-uses-milliput-putty/

Seamline Removal
—Using Gundam model as example
—Suited for all plastic models.

http://www.gundammodelkits.com/gundam-model-kit-seamline-removal-tutorial.html+

Tamiya Putty part1~2
—Short tutorial of Tamiya putty about removing seamline completely

http://www.youtube.com/watch?v=hV_5r2zUS4U
http://www.youtube.com/watch?v=1HhSQ6qiWas

Paint Basics: How to Wash
–Miniatures as example

http://www.youtube.com/watch?v=OlJVubeExvk

Panel Line Wash
–You can use the techniques anytime you see the panel line

http://gamerabaenre.com/?page_id=1367

How to Apply Waterslide Decals
—General information about decals
—Step by step guide of applying decals

http://www.scalemodelguide.com/painting-weathering/decals/apply-waterslide-decals/

Gundam Modeling Tutorial – Decal
—Not waterslide

http://www.openhappy.com/hobby/tutorial/gundam/decal/decal.php