psp is used by photoshop.
mp4 or PSP Video format
Exchangeable image file format was created in 1995.
Tagged Image File Format was created in 1993.
Yes, the file format of this image is TIFF and it is compressed.
A tiff file format is a type of image. Tiff itself stands for Tag Image File Format. It is basically the same thing as a jpeg or png image.
Is this an image from a digital camera? If its a JPG, its probably larger than 2048x1536 isn't it. Any image larger than that will throw an "Unsupported Format Error". If its a BMP it has to be less than 150KB in size for the PSP, but based on your question I bet its a JPG.
Mpeg-4
One possible answer could be that you didn't save the pictures into a file format that the psp can read, try looking at the file format and then look at the psp compatible files.
TIFF stands for Tagged Image File Format :)
Tagged Image File Format
Yes, TIFF or TIF is an image file format.
Changing from one file format to another. A few examples:converting tiff image file to a jpeg image fileconverting raw image file to a jpeg image fileconverting wordperfect document file to a word documentconverting word document file to an openoffice document fileconverting excel spreadsheet file to an openoffice spreadsheet fileconverting windows media sound file to an mpeg sound fileetc.Note: both formats must be capable of storing similar things. An image file can be converted to a different image file format, but not to a spreadsheet file format or sound file format.