Cut them out, spray adhesive on, and stick 'em' to your jars. Then,fill your jarsup with creepy stuff. For some, you may want to add some food coloring and water to give that 'just been preserved' formaldehyde appearance. For the more whimsical concoctions, try bright purples and blue...
as the app is packed to the brim with thousands of add-ons ranging from integrations with other tools to plugins that let you code in different languages. Personally, I love GitLens, Docker, and Live Server extensions, though Peacock, LaTeX Workshop, and Code Spell Checker ...