One of my best selling courses is using coloured pencils to draw a beautiful Kingfisher. See a small demonstration here.
See excerpts from my online course on how to paint 8 different skies in watercolour.
This clip is from a full course on Pen and Ink drawing then using watercolour washes to tie the whole thing together.
In this course I show you how to paint a winter scene in watercolours. This clip shows you how I tackle winter trees.