It's not too hard. Just start with the basic shape tools in Inkscape and then add details and shading. Experiment with different pen strokes and colors.
Sure. You could try using a long, thin tool to gently place the novelty items inside the balloons. Just be cautious not to puncture the balloons in the process.
Some popular ones could be 'Bone' which has a unique art style and engaging story. Another might be 'Persepolis' that tells a powerful and personal story. And 'Watchmen' is also well - known for its complex characters and deep themes.
One way could be to check with the school's event organizing committee. Sometimes they have supplies like balloons for various activities. Another option is to look around the campus during breaks to see if there are any leftover balloons from previous events.
Online platforms such as Amazon are great places to look for 'balloons graphic novels'. There are also specialized comic book marketplaces like Comixology. You can also check out second - hand bookstores or even some thrift stores which sometimes have a small collection of graphic novels at a lower cost.