If on Mac resize photos/jpgs in 'Preview' app (Tools-Adjust Size), or if on Windows use 'Microsoft Office Picture Manager' (Picture-Resize and save), before uploading to your photo hosting website (e.g. Photobucket or flickr, etc), or before attaching directly here.
Typically resizing to 1024 pixels wide is still a big enough image to look well on a web site, yet only about 200k in size compared to say a 3mb or 6mb original image straight off a camera. It will also upload 10-20 times faster.
If using photobucket to host your images it has a facility for you to specify a default image size in your account settings, and this will automatically resize them during upload (i.e. you don't need to bother on your computer beforehand), but if you have a slow internet connection, its still better to resize on your computer before uploading as it will take a lot less time.
Looking forward to seeing your photos and layout