Texture Research and Tutorials

Online Tutorials
Grass:
http://www.myinkblog.com/create-an-awesome-grass-texture-in-photoshop/

TreeBark:
This texture would require the use of photos and find away to make one which has seamless edges which makes the texture easy to tile.
Stone:
http://www.myinkblog.com/creating-a-realistic-stone-texture-using-photoshop/
Nice for the exposed rocks that will be doted around.

Brick
http://custommapmakers.net/index.php?option=com_kunena&func=view&catid=18&id=399&Itemid=54
http://photoshopcafe.com/tutorials/brick/brick.htm

A very good tutorial which can be applied to all different types of Bricks.

Water:
For water i've decided that you can create a descent looking water by using the settings provided in the 3ds program its self. Setting the color as blue and lowing the opacity should create this.

Glass texture

This was sourced for a tutorial. 

http://www.3dvalley.com/tutorials/creating-realistic-glass-material-in-3ds-max/

Very helpful

and will be used on random objects and windows. This has a very nice finish to it and is very  easy to follow.

Will be useful on final buildings and for the future.