You should put the ornament in before turning the oven on. Then turn off the oven and let the ornament cool with the oven. This helps not only set the pain, but keeps the glass from going into a drastic temp change. They will cause it to break.
Living in small rural areas can present challenges. Or even if you have restraints.
For me I find the internet a source of great inspiration. Craftster is one of my favorites, of course. Check YouTube for videos, as well as online classes. There are so many resources to explore, and in a range of prices.