Have some ideas:

• Lovely Magnet Miku: https://yande.re/post/show/205657/

• Ama no Jaku Gumi: http://danbooru.donmai.us/posts/1037598

• Gumi and Rin: http://danbooru.donmai.us/posts/1285445

• Kagiyama Hina with guns: http://www.pixiv.net/member_illust.php?mode=medium&illust_id=28176715

• fate-girls-in-black.jpg

• http://danbooru.donmai.us/posts/1419736?tags=dango

• Dat Grading: http://nikkijun.blog.163.com/blog/static/10513096201361210736263/

• http://miyoaldy.deviantart.com/art/Vocaloid-2012-Racing-Miku-304573481

• One of Blitz's photos as a backdrop: https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-prn2/1292135_387612371365839_1644013766_o.jpg

• More Miku: http://www.pixiv.net/member_illust.php?mode=medium&illust_id=30748401

Blood effect brushes:

• http://all-free-download.com/photoshop-brushes/blood_marks_brushes_177946.html

• http://all-free-download.com/photoshop-brushes/shad0ws_blood_brush_set_178027.html

• http://jamesrushforth.deviantart.com/art/Shad0ws-Blood-Brush-Set-19982524

Folds and creases:

• http://planetphotoshop.com/folds-and-creases.html

• http://www.photoshopessentials.com/photo-effects/folds-creases/

• http://www.photoshoproadmap.com/Photoshop-blog/creating-paper-folds-and-creases/

• http://www.photoshoproadmap.com/Tag/paper/

• http://www.photoshoproadmap.com/Photoshop-blog/quick-and-simple-worn-out-psychedelic-poster-in-photoshop/

• http://ttutorials.blogspot.com.au/2009/04/old-paper-photo-effect.html

• http://tutorialfreakz.com/free-paper-textures/

• http://tutorialfreakz.com/category/freebies-textures-brushes-logo-themes-etc/textures/

• http://best-photoshop-tutorials.blogspot.com.au/2008/10/free-hi-resolution-hq-paper-textures.html

• http://blog.spoongraphics.co.uk/tutorials/create-a-realistic-torn-paper-effect-in-photoshop

• http://wegraphics.net/blog/tutorials/photoshop/create-a-realistic-folded-paper-effect-in-photoshop/

• http://wegraphics.net/blog/tutorials/photoshop/photoshop-for-beginners-understanding-layer-mask/