How do I incorporate butterflies and dragonflies in my camper?

I am sorry for your loss. I love how you are trying to incorporate the butterflies for your daughter. You could use dragonfly/butterfly fabric for curtains and cushions.

I made this dragonfly ornament last year... it might be something you'd like: https://www.lostmom.org/diy-dragonfly-ornament/

Along the top of the walls, even across the doors and cabinets I would paint a vine, so it goes around the entire camper. Then within the vines I would paint butterflies and dragonflies. Use her favorite colors on the butterflies and dragonflies. It would be like she is flying around the camper with you.

You can make dragonfly suncatches for the windows. They can also be fixed onto curtains with clips. If you use old irridecent glass beads, then when the suncatches them they will give out prisms all around the camper. Look on Pinterest for ideas. Just search for beaded dragonfly's. One I made below.

You could also make mosaic art either a table top with tile adhesive and grout, I did one below. Or a canvas one with buttons and glue.

You can also applique dragonfly's onto cushions.