Open the throttle a bit to get the higher idle. Mark a line on the two pieces of tape (so you can hold the throttle in the same place else it's hard to set the air screw). Clamping it is even better.
For the software, see Adobe Illustrator. An illustrator is an artist who specializes in enhancing writing or elucidating concepts by providing a visual representation that corresponds to the content of the associated text or idea.
Digital illustrators use a combination of illustration software and image editing software to create computer art. Digital illustration is not merely the manipulation of images with software; it is the actual creation of new art with digital tools.