Yes, once pre-orders and leftover sales are done, you can share your full work and or make as merch to sell. However, for art created for the "exclusive pdf" section, we ask that the work stays exclusive to the zine.
The mod takes a look at everybody's portfolios and chooses which art style best suits specific merch. The merch types are planned ahead of time by the main mod. CosmicCowZine's merch assignments are not strict to just artists; many times, the mod will select a graphic designer to do merch because their strength/style fits the specific needs of the merch in mind. A main reason why there is no merch application, is that many are apprehensive to apply for a merch position if they have no prior experience (even though their style is perfect for specific merch).
The zine is planned to fit exactly the amount of contributors in the project. If you were assigned to do a specific amount of pages, you can't add another spot. One spot per artist. In the case you finish your piece early and want to do another, DM the mod to explain that you're open to taking on an extra page (sometimes people drop out unexpectedly and we'll have an empty page slot in need of filling).
There is somewhat of a wiggle room of freedom. Subjects of the piece are first come, first serve. If the main characters are mostly chosen during the brainstorm session, the mod will ask people who haven't chosen a theme yet to consider choosing side characters for their piece. We want the zine to have a good mix of characters.
If you were assigned to a specific theme for your page, it is highly suggested. However, it is not mandatory to stick to. If you've got another idea you really really want to do, then give the mod another idea to greenlight.
Besides CosmicCowZine's first promo requirement of sharing a snippet of your work, we ask that contributors hold off on revealing more of the behind the scenes process until after preorder sales are complete. We want it to be a surprise for the most part. After preorder ends and leftover begins, feel free to share the entire zine piece and behind the scenes work.
No, every artist is assigned a graphic designer. They will create the logo/branding, etc. If you have a specific vision for your page, feel free to share some sketches with your graphic designer or just design the graphic elements yourself (just be sure to let your assigned graphic designer know that you'll be taking care of it).
Many of the manufacturers require CMYK format. And yes, it does get really desaturated compared to RGB. Just play around with the saturation tool and try your best to match it to the image you've envisioned.
We ask that you don't sign your art because we have a whole page on our zines dedicated to page credits. However, if an artist feels strongly about their preference to put their signature on their page, then the signature needs to be really small and at half the opacity.