The internet is probably the most powerful inventions of mankind. If used for productive and educative purposes, it can be very beneficial. Your child will develop communication and typing skills and will learn to express herself by using the internet. You can log on to www.kidsemail.org for this purpose. The site allows parental control, monitoring control on your child’s usage of the net so that you can ensure a safe experience for your child.

here's a few options:
"K9 Web Protection is our free Internet filtering and control solution for the home. K9 puts YOU in control of the Internet so you can protect your kids." - http://www1.k9webprotection.com/

KidRocket is a web browser, just for kids, where you can also control what sites to filter - http://kidrocket.org/

Jaman also has a Family oriented selection of movies here: http://www.jaman.com/movies/Kids-Family/
I recommend
Jimmy Neutron: http://www.jaman.com/movie/Jimmy-Neutron-Boy-Genius/0l8SiCVHHN1M/
Veggie Tales: http://www.jaman.com/movie/Jonah-VeggieTales-Movie/0dkpGmdYwQZo/
Rugrats in Paris: http://www.jaman.com/movie/Rugrats-Paris-Movie-Rugrats-II/0CUarij2pCKI/
And if she likes Barbie, Jaman also has a series of Barbie movies. Just search for them: http://www.jaman.com/search/?query=barbie