The links I normally present to people when they want advice

Composition/manga:
http://drawmanga.ru/tutors-misc/view-angle.shtm (Google Translate)
http://drawmanga.ru/tutors-misc/semiotics.shtm
http://www.cgsociety.org/index.php/CGSFeatures/CGSFeatureSpecial/phil_straub_composition_tutorial
http://handprint.com/HP/WCL/tech10.html

Animoo faces:
https://mega.nz/#F!LIIzyITR!niZfeCDLGnabTxp-P1lXkA — H-gal
https://mega.nz/#F!yR4zlS4Q!GSQbUOOBWK81q-mjPcFnuQ

The rest
http://klinanime.deviantart.com/art/Tutorial-boobs-bras-n-lace-3b-169342088
https://sketchfab.com/models/a1c0dec2a8564e80a62e607bb16db2e7
https://sketchfab.com/models/e8813c9dc7764c9fb8bc956ff7543bba


https://www.youtube.com/watch?v=g2fZdGZKP1k&index=1&list=PLV2X3tgajVlFROS5fuIVKLGs78_fC4JTN - color theory
http://fav.me/d2dwqgc - skin
https://www.youtube.com/watch?v=Nap7dwHjD9Y&index=4&list=PLLmXZMqb_9sbNLM83NrM005vRQHw1yTKn — painting tips playlist
http://arkomeda.tumblr.com/post/130821267865/how-to-draw-human-dicks-tutorial-the-state-of

Rendering:
http://www.floobynooby.com/ICG/artvalues.html
http://www.mclelun.com/2015/10/anime-tree-tutorial.html
http://www.mclelun.com/2015/11/anime-background-paint-over-photo.html
http://www.mclelun.com/2015/10/anime-background-tutorial.html
https://www.youtube.com/watch?v=eTqY6pbQH5U - rocks

Design.tutplus links sorted by the approximate order of importance for a beginner:
https://design.tutsplus.com/articles/dont-take-it-personally-how-to-make-critique-work-for-you--cms-21670
https://design.tutsplus.com/articles/7-sins-of-beginner-artists-what-keeps-you-from-being-good--cms-25302
https://design.tutsplus.com/tutorials/how-to-learn-to-draw-stage-one-manual-skills--cms-23304
https://design.tutsplus.com/articles/think-with-forms-not-lines-take-your-drawing-to-the-next-level--cms-24486
https://design.tutsplus.com/articles/human-anatomy-fundamentals-basic-body-proportions--vector-18254

https://design.tutsplus.com/tutorials/how-to-learn-to-draw-stage-two-precision--cms-23576
https://design.tutsplus.com/articles/can-i-draw-how-to-tell-if-youre-good-enough--cms-24604
https://design.tutsplus.com/articles/defining-and-valuing-art--cms-22599
https://design.tutsplus.com/articles/human-anatomy-fundamentals-learning-to-see-and-draw-energy--vector-17027
https://design.tutsplus.com/tutorials/how-to-use-gestures-to-draw-creatures-from-imagination--cms-26427
https://design.tutsplus.com/tutorials/how-to-learn-to-draw-stage-3-visual-database--cms-24325
https://design.tutsplus.com/articles/why-is-it-so-hard-to-draw-from-imagination-heres-how-to-do-it--cms-22967
https://design.tutsplus.com/tutorials/human-anatomy-fundamentals-additional-tips--cms-22125
https://design.tutsplus.com/articles/the-differences-between-male-and-female-portraits--vector-14954

https://design.tutsplus.com/articles/realism-photorealism-and-style-in-drawing--cms-21630
https://design.tutsplus.com/tutorials/art-therapy-paint-what-you-feel--cms-29956
https://design.tutsplus.com/articles/improve-your-artwork-by-learning-to-see-light-and-shadow--cms-20282
https://design.tutsplus.com/articles/color-fundamentals-shading--cms-20549
https://design.tutsplus.com/articles/color-fundamentals-advanced-coloring--cms-20679

https://design.tutsplus.com/tutorials/how-to-draw-bodies-of-water--cms-27055
https://design.tutsplus.com/tutorials/how-to-draw-clouds-and-sky--cms-27109
https://design.tutsplus.com/articles/why-is-it-so-hard-to-draw-from-imagination-heres-how-to-do-it--cms-22967