This is the rough sketch where I work from a photo I took of the market set up and start putting in shapes and outlines for where I want the fruit, veggies and flowers to go.

Then I start lining things in different colours becasue there's a lot to keep track of!

Once all the lines are done I start working in black but then change them to a nice brown to complement all the colours I'll be working with. Then I start colouring underneath the lines on a new layer.

A few highlights and details and - it's done!