Don't get depressed about this. Talk it through. Acknowledge the fact that your creativity sometimes gets the better of you, that you perhaps don't always 'follow the rules'. But also point out that you use it FOR the team, to achieve their aims. Say that in future you'll try to remember to bring your ideas forward before carrying them out. It might just be that they'll become come to value your abilities a whole lot more.

If that isn't what they want then start shopping around. You have more to offer than they want. Kiss arse? I wouldn'd.

I hope it goes well for you.

Brian