Or you can upload them directly to RS:
The best way is to upload the picture into your gallery. This way you can link the picture to any thread.
1) Resizing your picture down to around 800x600 is best,
2) Click on “Photo Gallery” link on the left hand side of the home page.
3) If you haven't created any albums yet, select "Create New Album". Give it a name and select “Save Changes”.
4) Select “Upload Photos”; you should now be on the ReefSanctuary Photos Image Upload page, Browse to find where the picture is located on your machine then click “upload”, Once it is uploaded, close the small window.
3) On the next page, enter in a Title, select Save Changes. The photo is now in your Gallery.
To link the uploaded picture in a thread;
1) Go to your gallery and click on the photo,
2) In the lower right, copy the information in the “BB Code” block.
3) Paste that into you post.
Done!!