Here is the right procedure to install GeminiWizard with OE2.0
1/ install an image with OE2.0 (Experimentals OE2.0)
2/ Open DCC => FTP => etc =>opkg and edit "arch.conf" with adding "arch mips32el 26".
3/ Put g3wizard_0.16-r0_all.ipk in /tmp
4/ with telnet : opkg install /tmp/g3wizard_0.16-r0_all.ipk
5/ After rebooting box you will find Gemini3 Wizard in plugins.
6/ Put gemini-mips32el-feed.conf in etc/opkg.
7/ Reboot Box
8/ Go to Menu=>Plugins=> and install Gemini3 Wizard
9/ After rebooting you will find Gemini blue panel.
It work for me 100%