1.
in this site you will find videos of famous actor and actresses reading books:
http://www.storylineonline.net/
2.
stories for kids with audio transcriptions
3.
classic story audios for kids and also teenagers
they have classic literature
http://www.loyalbooks.com/genre/Children
1.
In this you are going to find audios that you can download and listen when you want:
http://learnenglishteens.britishcouncil.org/skills/listening-skills-practice .
2.
this site contain a vast variety of audio-books
of the English literature
3.
YouTube is other great resource in which you can find many material for practice your English.