If you've signed up, there is an account at jalbum.net waiting for you. This is how you publish to it.
First, make sure you have made an album and that you are signed in to the application. If you did not sign in when you started the jAlbum desktop application, click on the Sign in button in the top left corner and then Make the album again.
Now upload your album by clicking the Upload button.
Click OK in the upload album window to start the upload. In this window you can add privacy settings before uploading, you can add a password and/or hide the album. You can also choose to include hi-res images in the uploaded album by ticking the checkbox.
Your album is now online and it's time to show off your fine work. After publishing you can click on the "open in external browser" symbol to check out the album in your standard browser.
Finally, go to the share tab in jalbum to share your album on jalbum.net and other social networks.