Rayek Thank you, I wasn't aware of Krita, but it seems like it would work great with my Canon 220 scanner.
I usually work in pixel art but have recently been working in a style similar to that of the French artist Hergé, famous for the Tintin comic book series. Krista seems to be more than capable for the simple line and block colour artwork I produce, however I was slightly confused about saving as a .kra and whether that would be compatible with most game engines.
Many thanks
KnivetonStudios