usualy i like watching https://www.youtube.com/watch?v=R-OUVE0ylmI ;

they accent is awsome 

hope u like

I saw some videos of the last channel and I think that it can be helpful.

Any other channels?

Hi Hugo,

This one is very usful

http://www.youtube.com/user/ENGLISHCLASS101 ;

Thanks for the suggestion Amir

May be you will be interested.

https://www.youtube.com/watch?v=HGwermHQwkU