Reduce the file size. 800 x 600 pixels is large enough for viewing and makes a fairly small file. If you are using a PC, one of the easiest ways of reducing a file size is to email it to yourself. Right click on the file, pick "send to", "mail recipient", and follow the prompts. Otherwise, there are lots of programs and applications available to reduce file size, depending on what you are running. There are some web based applications too, so you don't have to install something on your device. Do a little searching and I'm sure you will find something suitable for you.
Tom