My wife wants a video slideshow for high school and college reunions, and the "free" (well, free with watermarks) programs have supplied assets for things like firecrackers and snow and other sparkly things; stars that spin and float around, etc.
This is an Asian thing, you might see are popular in the style. They are usually simple line drawings, on a blank background for compositing over a main picture. The style was popular with Flash graphics back in the day, and is endemic on Chinese websites.
Where can I find these to use with Premiere Pro?