That forces an extra 27M on the live cd and brings it over the edge, size-wise. We've killed ImageMagick dependencies elsewhere to make the live cd fit, and now obex-data-server pulls it back in... If BIP support is essential, I suggest writing a small gdk-pixbuf loader for that.
Should be fixed in obex-data-server-0.3.99-2, where we indeed use gdk-pixbuf.