These videos are a really useful tool. They can be of great help in your quest to improve your  English. Here's only a few. There are more than 100!

http://www.youtube.com/watch?v=uWHhpb8NWcI
http://www.youtube.com/watch?v=ve981fbBY0g&feature=relmfu
http://www.youtube.com/watch?v=WAJ2ffma91Q
http://www.youtube.com/watch?v=886hLlkwipI&feature=relmfu

Here's some grammar activities that may be quite useful for b1 and b2 students. The first three links are rephrasing exercises.

http://www.box.com/shared/lx5hicgs0i
http://www.examenglish.com/FCE/Use_of_English.htm
http://www.ompersonal.com.ar/firstcertificate/contenidotematico.htm
http://www.examenglish.com/TOEFL/toefl_structure_http://www.ompersonal.com.ar/firstcertificate/contenidotematico.htm1.htm
http://www.examenglish.com/leveltest/index.php
http://www.examenglish.com/ECPE/ecpe_grammar.htm
http://www.examenglish.com/grammar/B1_reported_speech.htm
http://www.examenglish.com/ECCE/ECCE_grammar.htm

Free video courses.

betteratenglish.
http://www.betteratenglish.com/videos/

privateenglishportal.(Phrasal verbs)
http://www.youtube.com/watch?v=886hLlkwipI
http://www.youtube.com/watch?v=0Qzd7zNt-qA&feature=relmfu
http://www.youtube.com/watch?v=E7kftdmgvBY&feature=related
http://www.youtube.com/watch?v=s1bw_manHJw
http://www.youtube.com/watch?v=kqKGAg0YFlo&feature=relmfu

privateenglishportal (idioms)
http://www.youtube.com/watch?v=oBhfw-b6Ubg&feature=relmfu
http://www.youtube.com/watch?v=gWfHZkrA_Zg&feature=relmfu

podenglish.
http://www.youtube.com/user/podEnglish?feature=watch#p/c/ECDB3ECC0AF0E938/52/QJP72OwZZPM
http://www.youtube.com/user/podEnglish?feature=watch#p/c/ECDB3ECC0AF0E938/53/2pmn6hYU8tI
http://www.youtube.com/user/podEnglish?feature=watch#p/c/ECDB3ECC0AF0E938/54/ZuQxcI473wI

learnenglishlive
http://www.youtube.com/watch?v=emBCa_aB0Rw&feature=relmfu
http://www.youtube.com/watch?v=Yd4Gtmy8e8s&feature=related
http://www.youtube.com/watch?v=sVBQWgLobcg&feature=relmfu

Peppy English Pronunciation
http://www.youtube.com/watch?v=ek6jV2CiKtY&feature=list_related&playnext=1&list=SP99AD0EB3EFC5C338
http://www.youtube.com/watch?v=I6Y7k2I6XDI&feature=relmfu
http://www.youtube.com/watch?v=DniS53RrZZg&feature=related

PHRASAL VERBS EXPOSED!

http://www.phrasalverbdemon.com/grammar.htm

JUUUUUUUUUUUIIIICY BLOG!

http://robert-esl.blogspot.com/2008/01/listening-comprehension.html

Do you think slide shows are a good way of presenting information? If you do, this is probably a tool you'll enjoy using.

http://www.slideshare.net/vrevert2/word-order-of-phrasal-verbs
http://www.slideshare.net/titxer/gerund-or-infinitive-presentation
http://www.slideshare.net/nessita77/adjectives-followed-by-prepositions
http://www.slideshare.net/bizpod/video-vocab-04-law-1-basic-legal-terms
http://www.slideshare.net/Elenag77/the-language-of-headlines

Videos dealing B2 grammar classics in


Phrasal verbs.

RUN
http://www.youtube.com/watch?v=s1bw_manHJw
http://www.youtube.com/watch?v=kqKGAg0YFlo
GET
http://www.youtube.com/watch?v=0Qzd7zNt-qA
http://www.youtube.com/watch?v=886hLlkwipI
http://www.youtube.com/watch?v=E7kftdmgvBY
 TAKE
http://www.youtube.com/watch?v=s1bw_manHJw&feature=channel

http://www.youtube.com/watch?v=LmgUs936ULE

Grammar based videos! Here's a few of them dealing with a variety of structures.

conditionals (2nd type)

conditionals (3rd type)

have/did

was/were