From the site:
Download Krita"Krita is a painting and image editing application for KOffice. Krita is part of KOffice since version 1.4. Krita contains both ease-of-use and fun features like guided painting (never before has it been so easy to airbrush a straight line!) and high-end features like support for 16 bit images, CMYK, L*a*b and even OpenEXR HDR images."