Here's some comics strip i really enjoy.
By the way reading this is always a way to improve your english (or french)
One in french (the story a guy who doesn't manage to get a job)
http://www.sansemploi.com/2 in english:
a classic to start : Dilbert
http://www.dilbert.com/And my favourite, great cocktail of cynicism and irony.
If you have cool wabsites too, don"t forget to share