MagiStream

I personally- for traditional and digital art excluding spriting (which I have only just begun exploring) have always found Photo References the best.

Horse Stock: http://sparkpaw.deviantart.com/favourites/45079702

Canine Stock: http://sparkpaw.deviantart.com/favourites/42905263

Feline/Winged/Other Stock: http://sparkpaw.deviantart.com/favourites/45116691

It would be really handy if this were stickied, actually! What a great resource this could be, Cass!

I have some contributions of my own! I'll try and group them to make things easier. These are all things that I personally have found useful. Some of them I've only used a lot, others I come back to again and again. I might end up adding to them depending on what else I find!

Anatomy and pose resources:

PoseManiacs is useful for all artists as a pose resource and because it shows the muscle structure instead of skin, it gives a good insight into the inner workings of the body. Some of the poses are a little stiff, though, but that's expected since it's all CG.

Senshi Stock on deviantart was set up initially to be a pose resource for Sailor Moon fan-characters. However, there are many useful poses for anything- spell-casting, sword-wielding, defeat, victory, even couples!

http://scruffyronin.deviantart.com/art/ ... -112187663 A page of some tips about foreshortening.

http://pandabaka.deviantart.com/art/How ... e-32796586 A guide to drawing fluid character poses.

General CG Resources:

http://aquasixio.deviantart.com/art/Bru ... y-28259349 A guide to all kinds of brushes and how to use them effectively for Photoshop.

http://yayster.deviantart.com/art/Pokem ... l-30134365 A franchise-specific one this time- how to create art like the Pokémon style and fake being Ken Sugimori!

Pixel art Resources:

This post on Pixel joint covers some of the basics of Pixel art and is a good place to start for any newbie. Also covers anti-aliasing so it's great for a seasoned pixeller, too!

The Doll Tutorial Directory lists bunches of tutorials by dollers for dollers. I personally started out as a pixel doll maker, but some of the skills I certainly learnt as a doller (making palettes, how to texture, how to shade, how to lightsource etc) were invaluable for me when I branched out into pixel art. I'm sure there's bound to be something useful for someone who is just a pixeller- and if it makes someone branch out into dolling, then even better! ;)

http://kiwinuptuo.deviantart.com/art/Pi ... -203459613 This tutorial is a wonderful resource for anyone wanting to go into backgrounds. Their water tutorial is very useful!

The Spriter's Resource is an incredible resource for any pixel-artist, as it provides ripped sprites from almost any sprite-based video game you can think of. I tend to primarily use it for inspiration on spriting methods like dithering, as some of the older games made very effective use of texture to get the most of out a few colours.
Also very useful for things like Pokémon sprite recolours/fusions or using sprites in a signature. This one's truly a must-have!

http://pixel-artists.deviantart.com/gallery/23895206 This deviantart group focuses solely on pixel-related works. I've linked to their Tutorial/resource section because it looks really useful!

Traditional art resources:

http://taeliac.deviantart.com/art/Fakie ... l-55149185 Something traditional- a tutorial on faking screen printing. Useful for cosplayers?

This tutorial is all about texturing a watercolour piece with salt. I personally use regular table salt!

http://copicusers.deviantart.com/gallery/24693280 The Copic users group on Deviantart is useful for anyone who is getting to grips with Copic markers!

Colour Resources:

This colour blender is incredibly useful for creating difficult hue-shifts or gradient palettes without the use of Photoshop or similar. I used it to some degree for my current avatar.

ColourLovers is a huge colour and palette resource and a huge source of inspiration if you're inspired to use a colour when you see it. Really great site!

Character design resources:

http://thundercake.deviantart.com/art/U ... -105722545 It's a long read, but this contains some food-for-thought when creating characters.

The Page of Generators is an old favourite of mine and has been useful for me when I need to think something up but I'm having trouble with it. Very useful for generating anything you might wish for- planet names, currency, story prompts, furry characters, bishonen, magical girls and even little ponies!

Fashion Era is a great resource for anyone wanting to design or draw accurate historical clothes. Good for inspiration, too, and the Victorian section is handy for steampunk fans!

That's all I have for now, but I'll see what else I can dredge up!

Going to post so i can keep track and use as well Reference

*bookmarks topic*

Wow, I think I'm going to love you forever for this, Cass.

I have a few tutorials that would be great to add I have a lot of tutorials favorited that are very good so I'll put a link to my favorites here. I'll sort them out specifically later.
http://saphariadragon.deviantart.com/fa ... s/10486609

I have a lot of feet/paw tutorials, a few background related tutorials, some general reference, quite a few anatomy ones with a fantastic wing one, and some fur tutorials.

What can I say? Tut's are useful >.>

I love tut's! They make life so much easier. Love that one on bird wings btw.

I can never stop thanking you for this ref thread, Cass. *bookmarks topic*