Yes according to Photobucket terms of agreement, when you post a picture on Photobucket you basically grant everyone and one on photobucket to to use your pictures how or where they want.
My photo host is much stricter and protects my work.
FotoTime claims no ownership rights to the photographs uploaded to your account. Members do grant to FotoTime, Inc. any permissions necessary to manage your pictures including but not limited to:
* FotoTime has the rights to show your photos to visitors of your account
* FotoTime has the right to back them up during standard system backups
* FotoTime has the right to remove photos if we find that you do not own them (someone else has copyrights to them).
* FotoTime can send your photos to a third party for printing if you or one of your guests orders prints from your account
FotoTime will not use any Member's images for any promotional purpose without obtaining the Member's permission.
http://www.fototime.com/TermsA photo you take is no different than a cannon you build it is your work and have the right to benefit from your work.
Just because you park your cannon in the parking lot at Wal-Mart doesn't mean any one can come a take yoru cannon and use it. It's do different with a picture.