GW have added a whole bunch of featured articles to their site to support the Lizardmen Warhammer Army release
Covering painting, assembly, jungle scenery, tactics and a character focus on Chakax.You can find them here:- Lizardmen Army articles (under Warhammer Armies > Lizardmen)
My personal favourite, because it allows you to really see the Stegadon model and sprue contents up close, is the Stegadon assembly walk-through:-
 |  |
Image is © Games Workshop Ltd. All rights reserved. Used without permission.