You can get yourself a free account at Photobucket or you can use tinypic or ImageShack without first setting up an account.
Then use this code:
[img]Image URL[/img]
Note: You do not need to use the 
Suggestion
Remember that this is the internet. There are SICKOs out there who like to steal personal family pictures and claim other peoples' babies as their own, even going so far as to show pictures of other women and say it's them! So when you post your pictures, please be sure to protect them somehow, such as with a "watermark" of your name/username, and/or where picture is allowed to be posted, before posting them anywhere online. (Example: some people write "property of so-and-so @ forum name" or simply "(C) Username".) You can do this using any simple photo editing program, such as MSPaint.
Don't let people roleplay with your memories.
Don't let people roleplay with your memories.