Open the terminal on Mint PPC
Copy and paste those lines, and press enter. One line at a time(and then intro). If a command ask your password, type in and then press intro.
###begin command list####
sudo apt-get update
sudo apt-get install marble git --no-install-recommends
mkdir -p $HOME/.local/share/marble/maps/earth/
cd $HOME/.local/share/marble/maps/earth/
git clone git://gitorious.org/marble-restricted-maps/googlemaps.git
git clone git://gitorious.org/marble-restricted-maps/googlesat.git
git clone git://gitorious.org/marble-restricted-maps/virtualearth.git
####end command list####
Then open Marble, you'll have it on the menu.
Go to Map View-> Projection - Globe-> Earth, and choose Google Satellite, Maps or whatever map you like.
STREET VIEW (G4 CPU RECOMMENDED)
#### begin command list ####
sudo apt-get install surf
#### end command list ###
Open surf (alt+f2 on Mint PPC, then type surf, and press intro )
Press Ctrl-g, and enter www.instantstreetview.com .
Why Surf web browser instead of Firefox? Because is fast and tiny , and those old machines haven't got a powerful CPU
Enjoy Street View without the Adobe Plugin.