Downloaded the cool aurora theme for ubuntu linux and inorder to use it, i need to install the aurora engine. While running ./configure on aurora engine gave me the following error...
configure: error: GTK+-2.10 is required to compile aurora
How to install GTK+-2.10, so that i can compile and install the aurora engine?

I am getting the following error while running a google gwt application from eclipse 3.5 galileo
Gtk-Message: Failed to load module "canberra-gtk-module": /usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so: wrong ELF class: ELFCLASS64
please help