Take a small shape and easily duplicate it as lace trim around another larger shape. This is done in Path Effect Editor using "Interpolate Sub-Paths".
See how to put layers in a straight line on your canvas. If you have small layer shapes like circles, you will need to make sure the layer border is reduced to the edges of the shapes (using autocrop).
Add text to a photo in a way that makes it look like it's behind other objects in the scenery.