First, welcome to the forum.
Since this is going to be your one and only announcement thread on the forum, I will advise you to make it very detailed so that people can get information that they need about you from here without stress or going to Google to do some searching.
You can start by getting a
Copper member account , which will enable you to add some images to your announcement thread. You may also hire a graphic designer if you don't have one that can give your work a good look.
You said you are famous around here, but I guess this is just the first time I have come across the name “Bets.io”
I will also join in support of the idea suggested by this user Nwada001 try to follow the normal procedures and make it looks more real and official for gambler to identify out this thread as your ANN thread, also to make it more in a unique way by going for a professional means of advertising your platform to members and the entire world, you can engage on running a signature campaign.
Welcome to bitcointalk, follow the rules and enjoy your stay.