I recommend to always take your photos at the highest resolution you can. Then make them smaller (its called resampling or resizing) on your computer. You will need editing software (try Picassa which is free - google for it and download).
Resize to 800 pixels wide by whatever. Upload to Imageshack.com (who will host it for you free), copy the link code (use the insert image button) and post to the Org. in your post.
It's a bit of a fussy procedure to start with until you get all the steps in the right order. I'm sure this subject has been covered before.
Hope this is of help.
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