diff --git a/projects/pictures/akane20x10.bit b/projects/pictures/akane20x10.icn
similarity index 100%
rename from projects/pictures/akane20x10.bit
rename to projects/pictures/akane20x10.icn
diff --git a/projects/pictures/dafu10x10.bit b/projects/pictures/dafu10x10.icn
similarity index 100%
rename from projects/pictures/dafu10x10.bit
rename to projects/pictures/dafu10x10.icn
diff --git a/projects/pictures/pjw20x20.bit b/projects/pictures/pjw20x20.icn
similarity index 100%
rename from projects/pictures/pjw20x20.bit
rename to projects/pictures/pjw20x20.icn