The most popular site for any small fandom is Fanfiction-dot-net
There are no alien races in Deadman Wonderland (But in the Deadman Wonderland universe, and fan-fiction also; there are trillions of them (with hundreds of thousands of them in each galaxy)).
There are no alien races in Code Lyoko (But in the Code Lyoko universe, and fan-fiction also: there are trillions of them (with hundreds of thousands of them in each galaxy)).
If the fanfiction is posted on a fanfiction website, it doesn't cost a cent.
A genre called fan fiction.
There are no alien races in The Big O (because Paradigm City is a simulated reality; but in The Big O universe; and fan-fiction also, there are trillions of them (with hundreds of thousands of them in each galaxy)).
I like the forums at stilusdeanima.com for reading and writing. Their categories include original fiction, fan fiction, adult fiction and poetry. Once you register, you can upload your stories and get feedback from other members. Here's a direct link to their forums: http://stilusdeanima.freeforums.org/index.php
You can upload photos to your fan page the same way with uploading photos to your personal facebook account.
There are no alien races in Cowboy Bebop (But in the Cowboy Bebop universe, and fan-fiction also; there are trillions of them (with hundreds of thousands of them in each galaxy)).
Modern fan fiction has developed by significant amount of terminology. Harry potter is one of the famous fan fiction franchise. Other fan fiction franchises are Star wars, pirates of the Carrabean and so on.
Manny Pacquiao fan fiction can typically be found on fan fiction websites such as Archive of Our Own or FanFiction.net. Alternatively, some fan fiction communities and forums may also have stories written by fans about Manny Pacquiao.
Dasey fan fiction can of course be found at your local library. If not, try swap meet or even look on Amazon. They have everything. If you do not mind used books you can get them for a great price.
Charmed The Next Generation doesn't exist. If you saw opening credits for a show about it, they were fan made or for a fan fiction. Check on fan sites for C:TNG Fan fiction