I used Live HTTP Headers and Firebug. Here's the dump of POST commands sent via Live HTTP Headers:

POST /publishList.ajax command=move&itemId=3659174697246841&from=out&t
+o=in&setName=everyone&url=http%3A%2F%2Fwww.gather.com%2FsharePhoto.ac
+tion
POST /publishPhotosToAlbum.action albumId=11096&allowRating=on&allowCo
+mments=on&commentCriteria=everyone&restriction=everyone&uploadSession
+Id=499301239163696561&fileId=3096224745628977
POST /uploadStatus.jspf contentId=11096&contentType=image&fileId=30962
+24745628977&latitude=37&longitude=-95&zoomLevels=&contentIds=30962247
+45628977&captions=&tagField=&address=&save=Save%20and%20Continue
[download]