Think i found the fix for my flash issue not playing ever since previous betas.
@dande, mayb you can try this. I was using flashlite 3.1 built in secany's jb1. but some how i think it's only working for IE, not all version of opera. I'm not sure either if the opera cab includes flashlite cos i don't remember seein any adobe dlls after installing opera. I'm lost for correct steps after so may attempts. but try this 1st. google for this build and install only in main storage "Juggalo_X Official Flash Lite 3.1 CE-OS 20757.cab". enable opera plugin settings and test at youtube non-mobile.
if it's not working, i did the brutal way haha:
(1) clean every *flash*/*macromedia* u can find regs/dirs. i used resco:
a) \Windows\FlashLite, \Windows\*flash*, \Windows\*ieactivex* (some mayb rom, u can ignore)

goto opera 10 current folder, ???\Opera Mobile 10\profile, view the "axobjects.ini" file. take note of the "Alias" id, copy, search and remove the key in the registry (exclude { and }). i think it should have the same id for all flashlite builds but just to b safe. you should see some ieactivex.dll in one of the content.
c) google for this build and install only in main storage "Juggalo_X Official Flash Lite 3.1 CE-OS 20757.cab".
(2) you may test the step (1) 1st if its working cos i remember mine didn't where i finally cleared opera dirs. uninstall opera 10, clean the current location and reinstall back in external storage (doesn't need to b main storage). enable plugins in the settings and retest at youtube non-mobile.
I can't tell the actual sequence but above might give u some hints. hope it helps, thanks...