Picasa - One of the few software recommendations that this editor's wife, parents, and other relatives actually stick with after installation. Google's free software indexes your computer's pictures and makes them a snap to flick through, lightly edit without a Photoshop degree, and share through email or uploading to Picasa Web Albums (or an add-on button). Most important of all, it makes importing pictures from any digital camera a lot more intuitive than Windows' own process. [Download]