This is how to get Gapps on froyo
google "Bugless Beast Froyo" and click the version 0.1 link and download v0.1 and extract it.
go into the system/app folder and delete launcher2 and adobe flash
you must be able to adb into you phone over wifi
http://www.idroidproject.org/wiki/ADBput the app from the previews download into the tools folder where your adb program is.
then adb into your device and run
./adb shell
mount -o remount,rw -t yaffs2 /dev/block/mtdblock3 /system
exit
then....
./adb push app /system/app
wait for everything to be copied over
then...
./adb shell
chmod 6755 /system/app/SetupWizard.apk
reboot
once you are back into android go through the setup and gapps should be installed.