In this podcast we answer your questions. Discussion points include:

> how turning your pictures upside down allows you to improve your work.
> how can learning to draw flowers help with drawing portraits? (Skip to around 10 minutes to hear Colin talk about this)
> what colours of pastelmat work for different subjects
> what makes a picture difficult to do?
> how can you mix watercolour without getting muddy colours?

Link to buy Air Blaster mentioned on the podcast:

Amazon UK: https://goo.gl/9aMyPA
Amazon US: https://goo.gl/dVEbFg