Adding a touch of realism
After some questions about my mapping technique I thought that I would try to put my method into a tutorial. For this tutorial I will be doing a river running through a canyon.
Firstly I will show the final effect
To achieve this effect I had to take several steps.
1. Take lots of photos.
All of the rocks and sand beds used are photos taken at a quarry.
The water was taken at a local river.
2. Take the photos and edit them in photoshop till they look something like the following
Cliffs and rocks