The new release of the loom pattern editor now allow you to create a pickup loom pattern.
For exemple, if the page http://aspinnerweaver.blogspot.com/2016/08/going-green.html has caught your eye, you can design a pattern like this to try a different color:
Click http://raktres.net/l/Kj to go to this pattern or go to http://raktres.net/seizenn/loom_weaving_editor.html to start a new project.