Sure, you can easily create .DSK images from your old physical floppies
with an Apple serial card, ADT
(http://www.apple2.org.za/gswv/a2zine/Sel/ADTWin.html), and a null
modem cable. Lots of details are in the Apple ][ FAQ here:
http://home.swbell.net/rubywand/Csa2T1TCOM.html#003. But if you don't
have the hardware or the inclination to do it yourself, you can let
http://retrofloppy.com do it for you.