Square 1 Art's Pinterest page.  The pins take you various places and different types of instructions-some more detailed, some less.  Feel free to adapt and change however you would like.

Square 1 Pinterest

Other ideas.  They may or may not have lessons plans and/or instructions.

Artolazzi

The Clever Feather

Jamestown Elementary

Mrs. T

aschukei

Art Moments

Rubber Boots and Elf Shoes

Art with Mrs. Seitz

Silhouette

arteascuola

Painted Paper Art

What's Happening in the Art Room

Right From the Start

Many Video Lessons Here

Color it Like you Mean it

Crazy Cats

Cassie Stephens-Many many art projects on this blog.  Just put your grade level in the search bar.