The following message from The Back Office applies to any regular of the Hall who may be getting blocked from entering with an image of the Dream Police:
This anti-spam plugin we use blocks good-guys every now and then like this. Doesn’t/shouldn’t happen very often. Meanwhile it blocks over 8000 spammers every month. Let us know if you ever suffer this problem. You will be added to the whitelist and that should take care of it. Thanks.