Red, blue, and yellow circus themed scrapbook paper.

Even if you don't scrapbook , these fun papers come in handy for all sorts of DIY projects from coasters to table numbers. Here are a few of my favorites from Etsy:

Collage of scrapbook paper designs with pears, fall leaves, and lines.

These Ink & Elm designs are just plain terrific. The prints are original and cool and the colors on-trend.

Collage of Christmas scrapbook paper designs in red, green, and white.
Collage of pink, purple, red, yellow, and green scrapbook paper designs.

Create.Do.Inspire has so many great color palettes with thoughtfully chosen prints, that this is also a great place to get a little color inspiration for your wedding theme.

Red, grey, and black digital scrapbook paper designs.
Blue, red, yellow and black digital scrapbook paper designs.

Perfect Printables is the place to find fun, bright papers! They do whimsy very, very well.

Grey, pink, white and black digital scrapbook paper designs.

Tracy Ann Digital Art has a ton of selection, but especially for the more traditional wedding. She designs beautiful muted patterns and keeps to an elegant aesthetic.