Here are my 5 top techniques for getting started right with coloured pencils: http://resources.arttutor.com/5-coloured-pencil-techniques/ I like to keep things ultra simple and focus on the techniques that make the biggest difference in the shortest possible time.
How to Draw Glass with Colored Pencil. A step-by-step image of a colored pencil #artlesson by Derrick Rathgeber. Click the image for full details instructions on my blog page. https://derricktheartist.wordpress.com/2017/06/07/how-to-draw-glass-with-colored-pencils-erasing-to-add-detail/
Alluring Female Colored Pencil Portraits by Jennifer Healy