TUTORIAL: Digital Paint in PS by ~Etoli
Adobe Illustrator tutorial... just never save as a jpg if at all possible, you lose all of the pretty vector lines!
The Etherington Brothers
Create an Art Nouveau Poster in Illustrator
This Adobe Illustrator Tutorial will explain how to export your vector designs as JPEG and/or PNG format so you can upload them to social media and/or your website.
Seven Helpful Techniques That Every Adobe Illustrator Artist Should Know
Adobe Illustrator * Meshes
Color References 5 by ~UltimeciaFFB on deviantART
Create a Big Night City with Glowing Moon and Rippled Water Reflections - Illustrator Tutorial - Pxleyes.com