usually when u have alot of pictures stored in your "camera roll" it tends to get a lil laggy, it happens to me too. wat i did was backup all the pictures into my HDD and delete off those that's not worth keeping in my "camera roll". cheers.....

wookay i didn't know abt that bcoz i dun sync pictures from itunes into my phone.... guess it make sense too.... thanks for your info bro.....