I have sent your note on to support. This was working for me when I ran the Scrapbook Flair Birthday Challenge. In fact, I changed the challenge notices from immediately to daily since I was getting so many notifications. You may want to check your notification settings. If you have your notifications set for weekly, you will receive a weekly update rather than immediate or daily updates.

I have mine set to daily so we'll see what happens. I had deactivated them since that feature wasn't working. I'll let you know when I receive another e-mail for a challenge I've entered and/or created.