Vocabulix

I've found this web site to learn english.
http://www.vocabulix.com
I must inspect it better but it look good. For instance, it has the conjugation of the english verbs:
http://www.vocabulix.com/conjugacion3/exchange.html

BBC Learning English

The bbc broadcasting tv channel has a channel on youtube to teach english. This is the url:

http://www.youtube.com/user/bbclearningenglish

Dictionaries on the Internet

I want to share with you some resources to validate our orthography. Here they are:
- WordReference.com English-Spanish dictionary
http://www.wordreference.com
- Dictionary and Thesaurus - Merriam-Webster Online
www.merriam-webster.com
- Dictionary.com metabuscador de diccionarios
http://dictionary.reference.com
-Dictionary, Encyclopedia and Thesaurus - The Free Dictionary (metabuscador)
http://www.thefreedictionary.com/