diff --git a/autofilename.py b/autofilename.py
index 8e284aa..952687f 100644
--- a/autofilename.py
+++ b/autofilename.py
@@ -5,7 +5,7 @@ from .getimageinfo import getImageInfo
 
 class AfnShowFilenames(sublime_plugin.TextCommand):
     def run(self, edit):
-        FileNameComplete.is_active = True 
+        FileNameComplete.is_active = True
         self.view.run_command('auto_complete',
                 {'disable_auto_insert': True,
                 'next_completion_if_showing': False})
@@ -51,6 +51,7 @@ class InsertDimensionsCommand(sublime_plugin.TextCommand):
     def insert_dimension(self,edit,dim,name,tag_scope):
         view = self.view
         sel = view.sel()[0].a
+
         if name in view.substr(tag_scope):
             reg = view.find('(?<='+name+'\=)\s*\"\d{1,5}', tag_scope.a)
             view.replace(edit, reg, '"'+str(dim))
@@ -64,13 +65,37 @@ class InsertDimensionsCommand(sublime_plugin.TextCommand):
         else:
             return sublime.load_settings('autofilename.sublime-settings').get(string)
 
+
+    def insert_dimensions(self, edit, scope, w, h):
+        view = self.view
+
+        if self.get_setting('afn_insert_width_first',view):
+            self.insert_dimension(edit,h,'height', scope)
+            self.insert_dimension(edit,w,'width', scope)
+        else:
+            self.insert_dimension(edit,w,'width', scope)
+            self.insert_dimension(edit,h,'height', scope)
+
+
+    # determines if there is a template tag in a given region.  supports HTML and template languages.
+    def img_tag_in_region(self, region):
+        view = self.view
+
+        # handle template languages but template languages like slim may also contain HTML so
+        # we do a check for that as well
+        return view.substr(region).strip().startswith('img') | ('<img' in view.substr(region))
+
+
     def run(self, edit):
         view = self.view
         view.run_command("commit_completion")
         sel = view.sel()[0].a
+
         if not 'html' in view.scope_name(sel): return
         scope = view.extract_scope(sel-1)
-        tag_scope = view.extract_scope(scope.a-1)
+
+        # if using a template language, the scope is set to the current line
+        tag_scope = view.line(sel) if self.get_setting('afn_template_languages',view) else view.extract_scope(scope.a-1)
 
         path = view.substr(scope)
         if path.startswith(("'","\"","(")):
@@ -79,16 +104,13 @@ class InsertDimensionsCommand(sublime_plugin.TextCommand):
         path = path[path.rfind(FileNameComplete.sep):] if FileNameComplete.sep in path else path
         full_path = self.this_dir + path
 
-        if '<img' in view.substr(tag_scope) and path.endswith(('.png','.jpg','.jpeg','.gif')):
+        if self.img_tag_in_region(tag_scope) and path.endswith(('.png','.jpg','.jpeg','.gif')):
             with open(full_path,'rb') as r:
                 read_data = r.read() if path.endswith(('.jpg','.jpeg')) else r.read(24)
             w, h = getImageInfo(read_data)
-            if self.get_setting('afn_insert_width_first',view):
-                self.insert_dimension(edit,h,'height',tag_scope)
-                self.insert_dimension(edit,w,'width',tag_scope)
-            else:
-                self.insert_dimension(edit,w,'width',tag_scope)
-                self.insert_dimension(edit,h,'height',tag_scope)
+
+            self.insert_dimensions(edit, tag_scope, w, h)
+
 
 # When backspacing through a path, selects the previous path component
 class ReloadAutoCompleteCommand(sublime_plugin.TextCommand):
diff --git a/autofilename.sublime-settings b/autofilename.sublime-settings
index 1e21b13..c5ef9de 100644
--- a/autofilename.sublime-settings
+++ b/autofilename.sublime-settings
@@ -10,7 +10,7 @@
 	// root of their site.
 	"afn_use_project_root": false,
 
-	// Override the project root. Will only work 
+	// Override the project root. Will only work
 	// if "auto_file_name_use_project_root" is true.
 	// Can be absolute or relative to the current directory.
 	"afn_proj_root": "../",
@@ -18,6 +18,11 @@
 	// Specify which scopes will trigger AutoFileName
 	"afn_valid_scopes":["string","css","sass","less","scss"],
 
+	// Turn on if using a template language like Slim and want to
+	// insert image dimensions.  If using a template language, you also have
+	// to add it to the valid scopes, above.
+	"afn_template_languages": false,
+
 	// BlackList specific scopes
 	"afn_blacklist_scopes":["string.regexp.js"],
 
@@ -35,12 +40,12 @@
 	// you can set the plugin to only activate with a keybinding.
 	// If you set this to true, add the following to your user-keybindings:
 	//
-	// { "keys": ["whatever"], "command": "afn_show_filenames", 
+	// { "keys": ["whatever"], "command": "afn_show_filenames",
 	//    "context":
 	//  [
 	//      { "key": "afn_use_keybinding", "operator": "equal", "operand": true }
 	//  ]
 	// }
 	//
-	"afn_use_keybinding": false 
+	"afn_use_keybinding": false
 }
\ No newline at end of file