-Use the IM;, jabber,gtalk,jabbin,skype.
-Read interesting blogs about things you like or interesting people.
-Try to read a small book you can finish.
-Listen radio or TV in english altough you can't understand.
-Instead read the news in internet in your mother tonge, try read it in english, there are a lot of good sites.
-Smile of yourself when make mistakes speaking, but you have to speak for to make mistakes :)
And several more activities for to do, but remember the word "perseverance" if you want something you have to work hard.