Can I get photographs scanned on to a CD at a photo-shop?
Try ASDA i know they will put your digital photo's onto a CD so they might do it for actual picture's. They charge 5p per photo.
How to enlarge the print of a scanned photo?
Try this friendy its the besthttp://www.fixpicture.org/flash/or to resize it tryhttp://www.resizemypicture.com/in both the websites you must upload the pic
Should I have my scanned photo in the CV?
As an employer, not a good idea. You are selling your personality, not your looks.
Is Jasc 'Paint Shop Pro' software for editing photographs?
Yes, this is correct.
Is scanned photo better in quality them original?
Same thing if you use high quality glossy photo paper. Its not better but almost like the original to the naked eye.