[JaneYoung]

It sounds like you have a good perspective of the direction you would like to see the team develop in. That's half the battle. Having a perspective, a vision, a dream. You have an understanding of Gracious Professionalism and how it impacts the team's interactions with community and other teams. Again, that is half the battle.

It's wonderful, really.

Marketing, branding, promotion can convey these aspects of the team, certainly. The key is for the team to understand and convey them as well. It all works together.

If your team has an introductory meeting for the upcoming season, that is an appropriate time for you to share your thoughts. You can also do some work ahead of time and share them with your mentors and with your team leaders. Tell them that this is important to you and present your ideas. Have your thoughts/suggestions well thought out and be able to 'sell' them. A small intro with some examples would be excellent. Not all of it needs to be comparing yourselves to other teams. That can be a small part of your 'sell' but think about why it is important that your team convey GP and why creating a team image is important to you and therefore to the direction you would like to see the team move in. When you can express that well to your mentors and team leaders, they can help you recruit others to help this area develop. You are the one with the vision, therefore you are the one who has to communicate it to others in a professional manner to get them on board.

And be patient. Developing new areas of the team takes care and takes time. Kudos to you for understanding this aspect of team development.
Jane