Today i played with this Tutorial :
Render Bitmap Images using Tiled SVG Clones
So my idea is how it looks if i use easy shapes for it and get interesting vector backgrounds.
Import a colorful Bitmap and create a shape (like a star for example). Unset the paint:
Then you have to create the tiled clones (you can play with the sizes and rotations too):
The final background should look like these:
Have fun !!
Deutsche Übersetzung gibt es im Inkscapeforum. Link