Hi
There's quite a bit of "more information required" to this question, and lots of ways to approach the problem. One way might be to have your camera write the image to the SD card (as outlined in the Adafruit tutorial for the camera) and then periodically serve up the image as a web page where you can view/save the image on your PC.
By breaking down the problem into chunks you should be able to beat this.
Cheers ! Geoff