HOW TO SAVE:
internet graphics - save them as a JPEG so they can get
viewed on all devices.
large format graphics – basically you would save these
pictures as either a JPEG, GIF and the original.
The original – would be best for a poster
JPEG – would be best for a leaflet
GIF – would be best for a book illustration
Leaflet suitable graphics – saving thing as a JPEG which is
after all best for leaflets.