The most common image file formats are JPG, TIF, PNG and GIF. What are the differences between them, and what are they used for? There are many different file formats that can be used to save photographs and images. Wikipedia lists more than 70! They differ in terms of the...
The bigger the advert, the bigger your images will need to be. It is impossible to enlarge pictures without some reduction in quality, but here are some tips to bear in mind.