� Make sure screen is evenly light
� Make sure the green is a different shade than the background
� Use a blue screen if you have one
So the input photo is scaled up or scaled down to (5*200*7*200)= 1.4 mega pixels
So the input photo is scaled up or scaled down to (5*600*7*600)= 12.6 mega pixels
So the input photo is scaled up or scaled down to (5*600*7*600)= 28.8 mega pixels
Green Screen Wizard does this scaling to make the product easy to use. For most people the 300 DPI is more then most printers can handle. The 600DPI was added for pro photographers. Now that the Photoshop Plug-in is available, that may be a better choice for the pro photographers.
If you output the image as a jpg then the file will be compressed. If you need a big file then add .tif or .png to then end of your file name when you save it. Can Green Screen Wizard print?