He can bookmark and always use http://tinypic.com/
when he want to post pictures.
I guess it comes down to just what you are willing to give up to use their service.
TinyPic (A.K.A. Photobucket, Inc.)
In their terms of Service.
"In order to participate in TinyPic Services, you may be notified that you are required to download software or content
and/or agree to additional terms and conditions from TinyPic."
TinyPic reserves the right to charge for any portion of the TinyPic Services and to change its fees (if any) from time to time in its discretion.
By displaying or publishing ("posting") any Content on or through the TinyPic Services, you hereby grant to
TinyPic and other users a non-exclusive, fully paid and royalty-free, worldwide, limited license to use, modify, delete from, add to, publicly perform, publicly display, reproduce and translate such Content, including without limitation distributing part or all of the Site in any media formats through any media channels.