diff --git a/extraponies/applejack-63.pony b/extraponies/applejack-63.pony
index 56a2c021..da105b67 100644
--- a/extraponies/applejack-63.pony
+++ b/extraponies/applejack-63.pony
@@ -7,7 +7,7 @@ FREE: yes
 GROUP: stallion, coltifiedi
 GROUP NAME: mane
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: yellow
 MEDIA: MLP Fanlabor Wikia
 NAME: Applejack (name on the wfanlabor wikia)
diff --git a/extraponies/artemis.pony b/extraponies/artemis.pony
index a08ec2d9..4c32b498 100644
--- a/extraponies/artemis.pony
+++ b/extraponies/artemis.pony
@@ -6,7 +6,7 @@ EYE: cyan
 FREE: free
 GROUP: stallion
 KIND: alicorn
-LICENSE: Public domain
+LICENSE: CC0
 MANE: blue
 MEDIA: fanfi
 NAME: Prince Artemis
diff --git a/extraponies/bubbleberry.pony b/extraponies/bubbleberry.pony
index 58cdd900..b04e8df0 100644
--- a/extraponies/bubbleberry.pony
+++ b/extraponies/bubbleberry.pony
@@ -5,7 +5,7 @@ EYE: pink
 FREE: yes
 GROUP: stallion, coltified
 KIND: earth
-LICENSE: Public domain
+LICENSE: CC0
 MANE: pink
 MEDIA: fanart
 NAME: Bubble Berry (on the first fanart)
diff --git a/extraponies/butterscotch.pony b/extraponies/butterscotch.pony
index 48ef2a17..e61385ba 100644
--- a/extraponies/butterscotch.pony
+++ b/extraponies/butterscotch.pony
@@ -6,7 +6,7 @@ EYE: blue
 FREE: yes
 GROUP: stallion, coltified
 KIND: pegasus
-LICENSE: Public domain
+LICENSE: CC0
 MANE: pink
 MEDIA: fanart
 NAME: Butterscotch (on the first fanart)
diff --git a/extraponies/danger.pony b/extraponies/danger.pony
index 3d059be4..271bcb5f 100644
--- a/extraponies/danger.pony
+++ b/extraponies/danger.pony
@@ -7,7 +7,7 @@ EYE: gray
 FREE: yes
 GROUP: mare
 KIND: seapony
-LICENSE: Creative Common
+LICENSE: cc-nc-by-sa
 MANE: gray
 MEDIA: (egophiliac) woonastuck.tumblr.com
 NAME: Danger McSteele (given by the autor)
diff --git a/extraponies/nyx.pony b/extraponies/nyx.pony
index ab001335..66e93ea7 100644
--- a/extraponies/nyx.pony
+++ b/extraponies/nyx.pony
@@ -6,7 +6,7 @@ EYE: cyan
 FREE: yes
 GROUP: filly
 KIND: alicorn
-LICENSE: Creative Common
+LICENSE: cc-by-sa
 MANE: blue
 MEDIA: [fanfic: Past Sins]
 NAME: Nyx (given by the author)
diff --git a/extraponies/nyxdisguised.pony b/extraponies/nyxdisguised.pony
index 2de7ec4a..3968b6bd 100644
--- a/extraponies/nyxdisguised.pony
+++ b/extraponies/nyxdisguised.pony
@@ -7,7 +7,7 @@ EYE: cyan
 FREE: yes
 GROUP: filly
 KIND: alicorn
-LICENSE: Creative Common
+LICENSE: cc-by-sa
 MANE: blue
 MEDIA: [fanfic: Past Sins]
 NAME: Nyx (given by the author)
diff --git a/extraponies/sealyra.pony b/extraponies/sealyra.pony
index f389190e..c63dfc39 100644
--- a/extraponies/sealyra.pony
+++ b/extraponies/sealyra.pony
@@ -7,7 +7,7 @@ EYE: yellow
 FREE: yes
 GROUP: mare
 KIND: seapony
-LICENSE: Creative common
+LICENSE: cc-by-sa
 MANE: cyan
 MEDIA: [Comics]
 NAME: Lyra Heartstrings (official, in merchandise)
diff --git a/extraponies/surprise.pony b/extraponies/surprise.pony
index 1ec6281a..8514669e 100644
--- a/extraponies/surprise.pony
+++ b/extraponies/surprise.pony
@@ -7,7 +7,7 @@ FREE: yes
 GROUP: mare
 GROUP NAME: consept
 KIND: pegasus
-LICENSE: Public domain, Cretive common (the image on the tumblr)
+LICENSE: CC0
 MANE: white
 MEDIA: asksurprise.tumblr.com
 NAME: Surprise (official, previous generation)