FROYO ROMs ONLY!!!!! beta FROYO Roms for sure, we will cross the bridge for the official 2.2 update when we get there, should work though
1. Boot into Recovery (ClockworkMod). Flash the file from the link below and Reboot
2. Open market, navigate to adobe flash player, and uncheck automatic updates for adobe flash player.
3. Get your hulu on! Open hulu app - Watch hulu!
If you are having problems, uninstall Adobe Flash updates in the Market app and try again.
NEW SECONDARY METHOD
For those of you in which the v3 installer does not work/flash properly in the new ext4 clockworkmod recovery.
1. Download root explorer or equivalent and uninstall your curent flash player
2. Extract the install_flash_player.apk from the v3 installer.zip
3. Extract the 5 lib .so files.
4. Put the install apk you extracted into /system/app (yes, replace it)
5. Put the lib files into /system/lib
6. Reboot and install the hulu apk provided below
Tested and working on Bonsai4All Rom 4.0.0
Latest Hulu apk with landscape support below attached below.