Put a Twitter Like Script on Website With a light blue and rainbow background to it - repost

I want a fully functional Twitter like script installed on my website. It must have exact features they offer and extremely hacker proof and eliminate most spam when signing up. Must be in light blue with a rainbow in background as design. You must agree to fix any script errors for first 14 days Free of Charge. Zip my existing site up and leave on my hosting for future use. Script must be legal to use!!!!! I want someone on here who has been hired before and has good feedback ONLY