First you have to enter your mobileMe account information

Account is your mobilMe accountname
if your albums are password protected you have to provide the username password combination.
After program launch ceCloud is syncing your gallery, if there are new albums or changes ceCloud is fetching your albuminformation.
Be aware that the fetchingprocess at the first program launch may take some time.

After ceCloud has completed syncing with your mobileMe gallery ceCloud is ready to connect to your DLNA Clients. A list of available clients can be found under the clients tab.