We have done several Tweematic/Mosiac campaigns that involve creating large-format posters (usually autographed) that can be used as unique fan giveaways or prizes. These campaigns usually incorporate a sweepstakes component or in one case, a band appreciation component. Here are some examples:
This sweepstakes, launched in partnership with radio stations, allowed fans to win an autographed and customized (per radio station) mosaic poster.
Watch The Throne Sweepstakes
One of our first mosaic promotions that involved a poster giveaway.