Instructions for becoming a contributor are on the MorphoSource home page here and also described on this page:
To become a contributor, you must first register an account on MorphoSource. After creating an account, visitBecome A Contributorand supply a few details about the media you intend to contribute to MorphoSource or your reason for applying to be a project member or data manager. An administrator will check your application, and you will either be approved or hear back with additional questions or instructions presently. Thank you!
The specific information that will be requested from you when you apply for contributor status includes:
The nature and purpose of the data you intend to contribute, or your reason for applying for project member and/or data manager status
If you are a graduate student, the name, email, and professional affiliation of your advisor
Approximate size of the data you intend to contribute in gigabytes or other appropriate units