- Anton P Nym
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- Exalted Mythic Member
I'm not quite certain I understand the question, but you can change your avatar to any of the 175 shown in your profile settings page, or you can select the option to use your Halo 2 or Halo 3 shoulder emblem. (Go to your profile page, click "edit profile", then click on the arrows to page through all the available avatars hosted here.)
Aside from Bungie staff, moderators, and theme masters, we do not permit custom avatars on the site.
-- Steve hopes that covers the options.