First thing is to look for pictures that you think might inspire others on receiving your card. Good quality Royalty free Christmas clipart graphic images are a great help to make your Christmas Cards creative and memorable for your friends when they receive them. There are also software programs that you can use to create your card.
When scanning a drawing into your computer it will always load as a bitmap image, (a bit like a photograph in a newspaper). This can be sent directly to a stamp manufacturer as long as it is a black and white scan and the line thicknesses do not fall below the minimum. If the lines are too thin you can convert the bitmap image into vector data by applying a trace to the image. Programs that have tracing ability place a vector line around the lines or can be set to follow the lines, these lines can then have a thickness applied to make them suitable for rubber stamp making.
Loads of baby boy clip art images are available, once you click your computer's mouse and get connected to the Internet. First, you must know what it is all about. It is about copying / cutting the pre-existing images. Yes, these images are already mostly in the books that have made their entry into the public domain for that purpose.