A tip to improve the colour rendition in photos of paintings: always include a bit of pure white paper at the edge of the painting. Then, click on the reference white area with the white balance tool in whatever application you are using. That will automatically adjust the colours to remove any colour cast in the photo. These colour casts often make the whole painting look too blue or too yellow, depending on the light falling on the painting when the photo is taken. The bit of white paper at the edge of the painting can then be cropped out, before showing the photo in Creative Spark.