There are sub-categories here for support groups, webrings, personal experiences of DID survivors, and organizations. Look around, and decide which is the most closely related to your site. And thanks for submitting!
Multiple Personality: Support (for sites basically devoted to offering support for individuals with multiplicity)
Multiple Personality: Support: Survivors (for sites which are autobiographical in nature or personal homepages of multiples)
Multiple Personality: Support: Forums (for sites that are essentially message forums regarding multiplicity)