Want to add another T-shirt to your wardrobe? Not just any old T-shirt but a funny, humorous one that will attract people’s attention and make them want one too. To own one of these exclusive T-shirts, GFI Software is running a very simple competition on Twitter where 10  20 lucky winners will be able to walk around proudly displaying their prize.

So what do you need to do to win? It’s simple. Follow @GFISoftware on Twitter and then post the following message as often as you like: RT @GFISoftware is giving away a free GFI t-shirt to 10 lucky winners! Follow & RT this for your chance to win – http://tr.im/sqqH.

RT @GFISoftware is giving away a free GFI t-shirt to 20 lucky winners! Follow & RT this for your chance to win – http://tr.im/sqqH.

There are TEN TWENTY T-shirts available so start tweeting now! Remember that you will only be eligible to win if you follow and remain following @GFISoftware. Good luck!

Update: Due to the great response that we had for this competition, we’ve decided to give away TWENTY T-shirts! So get tweeting for your chance to win! Remember it’s now ‘RT @GFISoftware is giving away a free GFI t-shirt to 20 lucky winners! Follow & RT this for your chance to win – http://tr.im/sqqH’

Update: Thanks to everyone who participated in our competition. The 20 lucky winners are: @huntleychris, @gk4r, @the_crooked_toe, @heycharlie, @Scoobymich, @fryguy_pa, @seankalahar, @dave_wgs, @cciejourney, @nztechtweet, @danhively, @dominicfallows, @byteconnector, @gusfo, @six2on, @lukebrincat, @TheGift73, @hardcorsecurity, @Fungiveaways, @ChristiaanBeek.

If you didn’t win this time, don’t worry because we have more competitions coming up, so keep following @GFISoftware to be the first to know about the great prizes coming up!