If you get 3 likes from 3 different users you then can add a link to your signature for your free giveaway contest. Start working on the likes.
You have to post something worth liking, you have 13 posts in 10 years here, you need to be more active.
I would advise you to create a thread in General Chat on a topic that you feel comfortable discussing. If you make comments that others can agree with you will get your likes. You can also try using humor as we all enjoy a bit of laughter now and then. Good luck to you with this.
by the way while we are on the topic of giveaways, what happend to the old Freebie forum that i remember something about....
You post when you should be sending a direct message/private message/conversation message. You won't get likes in the Buy/Sell/Trade section - head over to the discussion sections and share your expertise. It got archived in about 2013 when Shawn made the software change. Took up a lot of moderator time but there was the occasional gem in it.