Western Front diorama

We are starting to design a diorama of trench warfare in WWI.The following links can provide you with some ideas.

https://www.youtube.com/watch?v=4dUwjIf4BXw

http://www.stormthecastle.com/diorama/trench-warfare/a-trench-warfare-diorama.htm

http://www.ehow.com/how_7708184_make-world-1-trench-diorama.html

http://www.michtoy.com/michtoy/StaticPages/school_project_WWI_Trench.html

http://www.instructables.com/id/WWI-Trench-Model/

https://www.youtube.com/watch?v=ifwIyGGpjVI

http://www.instructables.com/id/How-to-make-a-132-scale-model-of-a-Mark-I-Tank/

http://www.kidspot.com.au/kids-activities-and-games/Indoor-activities-for-kids+41/Make-a-cut-and-fold-biplane+12195.htm