Pick your Tutorial 
Use only photos you own!

Create a line art traced drawing 

http://www.melissaevans.com/tutorials/turn-photos-of-people-into-line-art

Psychedelic Effect

https://www.photoshoptutorials.ws/photoshop-tutorials/special-effects/create-psychedelic-tiger-illustration-photoshop/?doing_wp_cron=1476106629.9189140796661376953125

Water color effect

http://10steps.sg/tutorials/photoshop/creating-an-abstract-watercolor-wallpaper

Abstract Portrait

http://psd.fanextra.com/tutorials/photo-effects/design-a-futuristic-abstract-portrait/