Yes. A post about Halloween. By me. Shocking eh? Since I am probably one of the very few in Second Life who does not particularly like or even care about Halloween much.
Linden Lab announced in a blogpost by Xiola Linden, a call for photos depicting your Halloween Spirit. They will choose some of the photos that you can submit in their official Flickr group, to use in various marketing and advertising campaigns.
For all the details on sizes, format, hashtags and layout, please read this post by Xiola!