• Keyword feed:

  http://api.smugmug.com/hack/feed.mg?Type=keyword&Data=[keyword]&format=atom03
  

• All-time Popular Photos feed:

  http://api.smugmug.com/hack/feed.mg?Type=popular&Data=all&format=atom03
  

• Today's Popular Photos feed:

  http://api.smugmug.com/hack/feed.mg?Type=popular&Data=today&format=atom03
  

• Category Popular Photos feed:

  http://api.smugmug.com/hack/feed.mg?Type=popularCategory&Data=[category]&format=atom03
  

• Geotagged Photos feed:

  http://api.smugmug.com/hack/feed.mg?Type=geoAll&format=atom03
  

• Geotagged Keyword feed:

  http://api.smugmug.com/hack/feed.mg?Type=geoKeyword&Data=[keyword]&format=atom03
  

• Geotagged Search feed:

  http://api.smugmug.com/hack/feed.mg?Type=geoSearch&Data=[search]&format=atom03
  

• Geotagged Community Photos feed:

  http://api.smugmug.com/hack/feed.mg?Type=geoCommunity&Data=[community]&format=atom03
  

• OpenSearch Keyword feed:

  http://api.smugmug.com/hack/feed.mg?Type=openSearchKeyword&Data=[keyword]&format=atom03
  

  
  
  
  

• Keyword feed:

  http://api.smugmug.com\/hack/feed.mg?Type=userkeyword&NickName=[nickname]&Data=[keyword]&format=atom03
  

• Gallery feed:

  http://api.smugmug.com/hack/feed.mg?Type=gallery&Data=[albumID]&format=atom03
  

• Recent Galleries feed:

  http://api.smugmug.com/hack/feed.mg?Type=nickname&Data=[nickname]&format=atom03
  

• Recent Photos feed:

  http://api.smugmug.com/hack/feed.mg?Type=nicknameRecent&Data=[nickname]&format=atom03
  

• Popular Photos feed:

  http://api.smugmug.com/hack/feed.mg?Type=nicknamePopular&Data=[nickname]&format=atom03
  

• Photo Comments feed:

  http://api.smugmug.com/hack/feed.mg?Type=usercomments&Data=[nickname]&format=atom03
  

• Geotagged Photos feed:

  http://api.smugmug.com/hack/feed.mg?Type=geoUser&Data=[nickname]&format=atom03
  

• Geotagged Album feed:

  http://api.smugmug.com/hack/feed.mg?Type=geoAlbum&Data=[albumID]&format=atom03
  

• User Comments feed:

  http://api.smugmug.com/hack/feed.mg?Type=usercomments&Data=[nickname]&format=rss200
  

  
  

• Add ImageCount=xx to the URL.
  
  

• Atom - format=atom03
• RSS - format=rss
• KML - format=kml
• Open Search RSS - format=osrss

• Tiny - Size=Tiny
• Thumb - Size=Thumb
• Small - Size=Small
• Medium - Size=Medium
• Large - Size=Large
• XLarge - Size=XLarge
• X2Large - Size=X2Large
• X3Large - Size=X3Large
• Original - Size=Original

A complete URL that showed large photos would look like this:

http://*[nickname]*.smugmug.com/hack/feed.mg?Type=gallery&Data=*[AlbumID]*&format=atom03&Size=Large