That second league sounds like something I'd really enjoy. I wonder if we have anything like that around here. I'll have to look into that.
http://www.omsbl.com/http://www.leaguelineup.com/welcome.asp?url=nabaomahaI know that Nebraska is a big freaking state and those leagues are in Omaha - I don't know how far it is from Lincoln. Those are the ones that are affiliated with the two major amatuer associations that organize leagues and tournaments around the country. Often times you can find unaffiliated leagues that this one:
http://www.leaguelineup.com/welcome.asp?cmenuid=1&url=labl&sid=1014961253It looks like the LBL is more geared toward younger players. There are free agents listed from about 19 years old up to about 30. Not sure where you fall in terms of age, but if you're in your 20's, it may be worth a lookie.
How far is Lincoln from Omaha?