Champion and Insider leagues use standard settings; the only difference is which members have access to join them.
Champion Leagues (c) Can only be created (and joined) by winners of one or more ESPN Standard leagues from the previous season.
Insider Leagues (I) Can only be created (and joined) by members who are currently subscribed to ESPN Insider.
If you qualify for either of these, there is no limit to the number of leagues you can create (or join) with these settings. All undrafted Champions and Insider leagues can be found using the filters on the League Directory.
NOTE: There will be no leaderboards for these two league types.