chek it out lots of free ring tones and wallpapers for your blackberrys
i just found it yesterday
just register select your phone and search arouns for stuff
you can also make personalised wallpapers with whatever you want to say and you can make ringtones just buy uploading a song and use there tool to edit it
Zedge: Free ringtones, free wallpaper, free themes, free downloads to Nokia and other mobile phones.