All over the internet
Cinderella wall decorations make your party room look like this Disney Princess is in the room. The party supplies...plates, napkins and cups all have Princess Cinderella on them. Print out some of the most famous Cinderella quotes and stick them onto balloons or your party table. Hide them in plastic eggs to use as a scavenger hunt or princess treasure hunt game. Cinderella quotes are fun to use in your party planning. You can also find a pre-packed party favor box with a Cinderella theme or you can look at individual favor ideas like stickers, a bracelet, some princess bubbles, or even some Cinderella slipper sidewalk chalk...I love that last one!
Some designers actually make their available online in its original format, so that you can download it and make some changes, as well as resize it, though most will only supply a high resolution version that can be used up to a certain size poster. A Google search for.svg clip art will give you vector art you can use in Inkscape, and in fact some of it is exceptional.