Why cant my themes and videos work in my psp?

Question

Why cant my themes and videos work in my psp?

Answer 1

when you ask a new question in yahoo answers, you are reminded that the more detail you give, the better your answer will be. because you felt compelled to give us nothing here is your answer:

where did you put the video>?

where did you put  the theme?

what format is the video in?

how many fps is the video?

is the video in the correct resolution?

what format is the theme in?

what firmware is your psp?

Answer 2

for that you need to have 3.71 firmware