As of the latest information available, ImageShack does not provide a direct feature for users to change their usernames once they have been established. However, users often have the option to create a new account with their desired username while keeping their original account intact. It is advisable to consider the implications of having multiple accounts, including managing uploads and galleries. For those seeking a username change, they could check the current web page for any updates or new features that may have been introduced regarding account management. Additionally, reviewing the community guidelines or help sections may offer more insights into account-related inquiries, including usernames. If there are any changes or upcoming features related to username modifications, they would likely be communicated through official announcements by ImageShack.