You pretty much summed it up...some people enter original recipes, and some enter other people's (I've done both) a lot of it comes down to like you said, your skills as a brewer.
I try to give credit to the creator of the recipes if I enter it..or at least let them know.
Like my snazzy new avatar? Get Sons of Zymurgy swag, here, and brew with the best.
Revvy's one of the cool reverends. He has a Harley and a t-shirt that says on the back "If you can read this, the bitch was Raptured. - Madman
I gotta tell ya, just between us girls, that Revvy is HOT. Very tall, gorgeous grey hair and a terrific smile. He's very good looking in person, with a charismatic personality... he drives like a ****ing maniac! - YooperBrew