A couple more things...

Luiz Leandro left a comment with a lot of cool sugestions on the first post, which I'll post here now, ok?
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Hello guys

I'd just like to show you some sites I visit that are so good for english teachers and learners:

http://www.englishtips.org/ - It's a Russian site but you can read it in English too. There's a lot of books, magazines, comics, softwares, etc. for we to download. You can find there, for instance, all the books of the series "English *** in use", English file, New Interchange, TOELF/TOEIC/etc. preparation books, and so on. It's not legal, but it's cool.

http://gigapedia.com - This one is similar to EnglishTips, but here you can find not just English books fot teachers and students, but all sort of books you can imagine, from Astrophysics to Persian Literature. You need to be registrated in order to see and download the books.

http://www.englishforums.com/ - It's the best English forum I've ever met on the Internet. Everything you ask, they answer. There's a lot of native speakers commenting there so you can trust them (sometimes there are big discussions about some topic, it's funny =). You can also find people from all over the world to talk in MSN and similars.

http://www.elllo.org/ - Elllo is a GREAT site. There's a lot of dialogues we can listen to and read the transcripts. All the dialogues have "audio notes" where they explain the vocabulary and phraseology. People talking in the conversations are from various countries so you can listen to a lot of different (and some so dificult) accents.

http://www.englishbaby.com/ - English baby is similar to Ello - you have some lessons with listening activities (most of them dialogues) and some videos too, with transcript. People speaking are almost ever Americans, and they speak SUPER fast and with a lot of slangs and so on.

http://www.thefreedictionary.com/ - The gratest dictionary. Use it with http://dictionary.cambridge.org/ and http://www.ldoceonline.com/ and you'll never be without a good definition.

Have fun =)
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Thanks, Leandro! We really appreciate your suggestions!

Later!

:)