Connect computer wirelessly to the tv or home entertainment system like the PS3 (Playstation 3), for example. This would allow you to create a slideshow on your computer and show it via your home entertainment system in another room.
There are really only two kinds of music you can use without permission
royalty free (this does not mean its FREE) or
public domain music
It’s probably ok if you are creating something just to show to your family but the problem comes when you make “copies” for your family, friends, etc. As soon as duplicates are being made, audiences are gathering, or money is changing hands, you are almost certainly breaking the law.
With Windows 7, you can either view your pictures in “My Pictures” OR in the Windows Photo Gallery. In general, Windows Photo Gallery is the best place to work with your pictures as it lets you see all of your pictures in one place and makes it easy to view them by date, tag, and other criteria. The gallery also has some features such as crop and red-eye removal.
You can easily create folders and name them what you want. You can then place your pictures in your newly named folders.