The jars on the table are upcycled sauce jars and yogurt containers washed out and soaked in bleach. The blue vase was found in our apartment upon move-in (it used to hold sparkling water).
I really like the look of the tea lights flickering in glass on the table and it helps with the lighting as well. (And saves money on my electric bill).
We served Mexican-style food recently for a party and had the condiments in glass jars. The jar holding the cheese used to be an ikea candle and the jars in the background holding the onions, cilantro, and limes used to hold sauce.
I started saving my jars and using them for other useful things around the house. They store my spices, sugar, rice, bullion cubes, popcorn kernels...etc. If I am not sure if I will recognize what's inside, I write on the jar with a dry-erase marker. I am also hoping this prevents bugs from entering my kitchen!
I'm off to decorate a friends table for New Years Eve dinner!