hand drawing or perfect compdrawing

Hello i have no idea what category i have to thuse but i am looking for my educational website some drawings I run a youthwelfare website non profit and working on a new site. for this site i need some sexual educational drawings ( not porn or so ) 1. drawing instruction 3-4 images how to use a condom 2. drawing boy in bed under bloanket where you see blenked up ( erection ( wet dram illustration) like [login to view URL] but more realistic 3 drawing boy girl and in difrent ages ( show changes on body the site is for children between 10 and 18 ( also for parents but important is children group for the drawings prize no idea hope good prize i set low prize becaue it is a job for filling spare time of drawing designers and i support streeet children and spent more to them then projects ( i hope )