Just things have to deal with as bravenet makes changes from time to time even with the free subdomains
You only have 5mb of space so if you have HUGE OVERSIZED images then you better get them down to an appropriate size. Use irfanview and then upload them again.
Bravenet made these changes with space long ago so keep up with your newsletters from bravenet and that as that is your source of happenings from around bravenet or if they post here at any of the forums from time to time of anything happening