try this
Since your photo is saved in photo bucket simply hold left click on the image and drag it to the post you require.
OR
under each image with you mouse over a specific image you should see a
share/copy box, from that box click on
IMG code and paste it in the post you require.Below is an exsample of an image from my photobucket.
Share|CopyEmail & IM
Direct link
HTML code
IMG code