I've come across these issues and I'd love it if the development team addressed them in a future update...
I've changed the wallpaper but idky the default wallpaper pops up for a second or so at the login page after booting up.
An applet to tweak brightness using a scroll interface.
A note taking app for Raven
And ability to access Spotify straight from the Raven taskbar. ATM is just starts up RythmeBox when I click on play some music.
Also by default idky tarball files get opened by File Manager instead of Archive Manager by default when the file is downloaded from Firefox.