Handsome Illustrations - Create unique illustrations for websites & applications.
Christmas Design Assets by Iconfinder - Sprinkle up your seasonal content with these festive goodies.
Control Illustrations - 108 free flat illustrations with customizable characters
Creative Market - Buy and sell handcrafted, mousemade design content like vector patterns, icons, photoshop brushes, fonts and more at Creative Market.
Struct Illustrations - Create your own unique story with editable illustrations
Christmas HQ - Totally free holiday icons, images, borders and fonts