Heres a few bits and bobs ive tried to assemble. Feel free contribute to this thread.

http://www.wavcc.org/wvc/cadre/Water...ion/scales.jpg
http://155.37.3.143/pages/scales.jpg
http://www.ent.iastate.edu/images/di...ris-scales.gif
http://www.shoarns.com/Butterfly%20Scales.jpg
http://www.shoarns.com/leaf%20100X.jpg
http://world.std.com/~mmcirvin/bugleaf.jpg
http://www.naturenotes.org/archivo/B..._cruciata4.jpg
http://www.dinosaursrock.com/Leecrin...e%20up%201.jpg
http://www.bioscience.org/atlases/tumpath/skin/1/3.jpg
http://medicalimages.allrefer.com/la...l-close-up.jpg
http://www.fauxfx.com/Pages/images/C...eSkinClose.jpg
http://www.ces.ncsu.edu/depts/hort/g...russet_far.jpg
http://dermatology.cdlib.org/DOJvol1...es/C20075m.jpg
http://oslovet.veths.no/teaching/pig/pigbleed/11.jpg
http://www.no-pest.com/AlligatorSkin.jpg
http://www.malevolenteye.com/NZphoto...inCloseUp2.jpg
http://www.mgrentertainment.com/auct...keskinzoom.jpg
http://ion.eas.asu.edu/liv05_snake/i...snake_opt1.jpg
http://www.melimelo.com/Images/A-c%2...0Snakeskin.JPG

This link has lots of close ups of infected skin

http://images.google.com/imgres?imgu...lr%3D%26sa%3DN

This link has lots of close ups of bugs

http://images.google.com/imgres?imgu...lr%3D%26sa%3DN

Frog close ups

http://images.google.com/imgres?imgu...lr%3D%26sa%3DN