However - please don't just take a snapshot of your machine with your 10 Mega Pixel camera and upload it ! We will soon be out of memory on the server

Please take the time to reduce the size of your images to a maximum of 800 pixels wide.
If you're using XP, this power toy (free from Microsoft) is a brilliant tool for reducing images down to something suitable for the web:
Image Resizer:
https://www.microsoft.com/windowsxp/down ... rtoys.mspx
And here is the equivalent unofficial Vista / Windows 7 version of the same thing:
https://prishcom.spaces.live.com/blog/cn ... !128.entry
Once its installed, you get a new right-click menu option in file explorer which will resize any image(s) files you have selected.