You can check the "SMBx Editor Help" inside the SMBX Folder or press F1 in the Level Editor to get more Information as of how to get
to work/started with SMBX. Also, I recommended to read the Rules on this Forum Board. Here is a Rule specified for SMBX Projects:
http://www.smbxgame.com/forums/v ... f=34&t=733
Since you didn't made any screenshots related to your SMBX Project, I am gonna lock this Topic for now. If you have screenshots provided of your SMBX Project, PM me or another Moderator to get this unlocked again.