When saving the files with MGI there should be an option to set the quality.
I think that when you scanned them, the dpi setting was too high, hence the large size. Tell the scanner that they are for web and the size will be much less.
Alienware 17 R4 2017 review
These brilliant Lego posters show just what children's imaginations are capable of
Mac power user tips and hidden tricks
Comment réinitialiser votre PC, ordinateur portable ou tablette Windows ?