It's quite simple actually – just visit the MarksterCon.com Fan Table and enter the drawing for free tickets and while you are at it, pick up your FREE Doctor Who collectible pin (only available at TIMEGATE).
Not sure what TIMEGATE is? Visit their website at TimeGateCon.org and become a fan of theirs on Facebook via Facebook.com/TimeGateCon. If you are on twitter, go follow them at Twitter.com/TimeGateCon. (NOTE: TIMEGATE is an all ages event)
Advanced tickets to TIME LORD PARTY II at The Masquerade are currently available at mcp.xorbia.com