If you don't need the full system integration you don't need fuse-libs, fuse, xdg-utils but you will loose having a virtual drive of your online data on the desktop

yum install java-1.6.0-openjdk java-1.6.0-openjdk-plugin-1 fuse-libs fuse xdg-utils

wget http://www.wuala.com/files/wuala.tar.gz

cd /usr/local

tar xvfz wuala.tar.gz

This will create a directory wuala.

/usr/local/wuala/wuala -basepath /usr/local/wuala login YourUserName YourPassword

/usr/local/wuala/wuala showSettings -> will show your settings

TBD