FIX: cropping GIF wasn't working

app/models/optimized_image.rb

@@ -118,11 +118,11 @@ class OptimizedImage < ActiveRecord::Base
   def self.resize_instructions_animated(from, to, dimensions, opts={})
     %W{
       gifsicle
-      #{from}
       --colors=256
       --resize-fit #{dimensions}
       --optimize=3
       --output #{to}
+      #{from}
     }
   end
 
@@ -142,7 +142,14 @@ class OptimizedImage < ActiveRecord::Base
   end
 
   def self.crop_instructions_animated(from, to, dimensions, opts={})
-    resize_instructions_animated(from, to, dimensions, opts)
+    %W{
+      gifsicle
+      --crop 0,0+#{dimensions}
+      --colors=256
+      --optimize=3
+      --output #{to}
+      #{from}
+    }
   end
 
   def self.downsize_instructions(from, to, dimensions, opts={})

lib/image_sizer.rb

@@ -28,7 +28,8 @@ module ImageSizer
     return [w.floor, h.floor] if w <= max_width && h <= max_height
 
     ratio = max_width / w
-    [max_width.floor, [max_height, (h * ratio)].min.floor]
+
+    [[max_width, w].min.floor, [max_height, (h * ratio)].min.floor]
   end
 
 end