As Elive is built over debian lenny,you can install all elive package on your computer, if you already have debian lenny just by adding elive repository:
deb [
us.repository.elive-systems.com] lenny main elive drivers tests efl ports
to your /etc/apt/sources.list
and run as root
aptitude update
to update your repository and then just install the packages that you want through synaptic.
