diff --git a/zencoding.vim b/zencoding.vim
index d814d39..28f308c 100644
--- a/zencoding.vim
+++ b/zencoding.vim
@@ -74,44 +74,44 @@ if exists('g:use_zen_complete_tag') && g:use_zen_complete_tag
   setlocal completefunc=ZenCompleteTag
 endif
 
-if exists('g:user_zen_leader_key') && g:user_zen_leader_key
+if !exists('g:user_zen_leader_key')
   let g:user_zen_leader_key = '<c-y>'
 endif
 
 let s:target = expand('<sfile>:h') =~ '[\\/]plugin$' ? '' : '<buffer>'
 for item in [
-\ {'mode': 'i', 'var': 'user_zen_expandabbr_key', 'key': '<c-y>,', 'plug': 'ZenCodingExpandAbbr', 'func': '<c-g>u<esc>:call <sid>zen_expandAbbr(0)<cr>a'},
-\ {'mode': 'i', 'var': 'user_zen_expandword_key', 'key': '<c-y>.', 'plug': 'ZenCodingExpandWord', 'func': '<c-g>u<esc>:call <sid>zen_expandAbbr(1)<cr>a'},
-\ {'mode': 'v', 'var': 'user_zen_expandabbr_key', 'key': '<c-y>,', 'plug': 'ZenCodingExpandVisual', 'func': ':call <sid>zen_expandAbbr(2)<cr>'},
-\ {'mode': 'n', 'var': 'user_zen_expandabbr_key', 'key': '<c-y>,', 'plug': 'ZenCodingExpandNormal', 'func': ':call <sid>zen_expandAbbr(0)<cr>'},
-\ {'mode': 'i', 'var': 'user_zen_balancetaginward_key', 'key': '<c-y>d', 'plug': 'ZenCodingBalanceTagInward', 'func': '<esc>:call <sid>zen_balanceTag(0)<cr>a'},
-\ {'mode': 'n', 'var': 'user_zen_balancetaginward_key', 'key': '<c-y>d', 'plug': 'ZenCodingBalanceTagInward', 'func': ':call <sid>zen_balanceTag(0)<cr>'},
-\ {'mode': 'i', 'var': 'user_zen_balancetagoutward_key', 'key': '<c-y>D', 'plug': 'ZenCodingBalanceTagOutward', 'func': '<esc>:call <sid>zen_balanceTag(1)<cr>a'},
-\ {'mode': 'n', 'var': 'user_zen_balancetagoutward_key', 'key': '<c-y>D', 'plug': 'ZenCodingBalanceTagOutward', 'func': ':call <sid>zen_balanceTag(1)<cr>'},
-\ {'mode': 'i', 'var': 'user_zen_next_key', 'key': '<c-y>n', 'plug': 'ZenCodingNext', 'func': '<esc>:call <sid>zen_moveNextPrev(0)<cr>'},
-\ {'mode': 'i', 'var': 'user_zen_prev_key', 'key': '<c-y>N', 'plug': 'ZenCodingPrev', 'func': '<esc>:call <sid>zen_moveNextPrev(1)<cr>'},
-\ {'mode': 'i', 'var': 'user_zen_imagesize_key', 'key': '<c-y>i', 'plug': 'ZenCodingImageSize', 'func': '<esc>:call <sid>zen_imageSize()<cr>a'},
-\ {'mode': 'n', 'var': 'user_zen_imagesize_key', 'key': '<c-y>i', 'plug': 'ZenCodingImageSize', 'func': ':call <sid>zen_imageSize()<cr>'},
-\ {'mode': 'i', 'var': 'user_zen_togglecomment_key', 'key': '<c-y>/', 'plug': 'ZenCodingToggleComment', 'func': '<esc>:call <sid>zen_toggleComment()<cr>a'},
-\ {'mode': 'n', 'var': 'user_zen_togglecomment_key', 'key': '<c-y>/', 'plug': 'ZenCodingToggleComment', 'func': ':call <sid>zen_toggleComment()<cr>'},
-\ {'mode': 'i', 'var': 'user_zen_splitjointag_key', 'key': '<c-y>j', 'plug': 'ZenCodingSplitJoinTagInsert', 'func': '<esc>:call <sid>zen_splitJoinTag()<cr>a'},
-\ {'mode': 'n', 'var': 'user_zen_splitjointag_key', 'key': '<c-y>j', 'plug': 'ZenCodingSplitJoinTagNormal', 'func': ':call <sid>zen_splitJoinTag()<cr>'},
-\ {'mode': 'i', 'var': 'user_zen_removetag_key', 'key': '<c-y>k', 'plug': 'ZenCodingRemoveTag', 'func': '<esc>:call <sid>zen_removeTag()<cr>a'},
-\ {'mode': 'n', 'var': 'user_zen_removetag_key', 'key': '<c-y>k', 'plug': 'ZenCodingRemoveTag', 'func': ':call <sid>zen_removeTag()<cr>'},
-\ {'mode': 'i', 'var': 'user_zen_anchorizeurl_key', 'key': '<c-y>a', 'plug': 'ZenCodingAnchorizeURL', 'func': '<esc>:call <sid>zen_anchorizeURL(0)<cr>a'},
-\ {'mode': 'n', 'var': 'user_zen_anchorizeurl_key', 'key': '<c-y>a', 'plug': 'ZenCodingAnchorizeURL', 'func': ':call <sid>zen_anchorizeURL(0)<cr>'},
-\ {'mode': 'i', 'var': 'user_zen_anchorizesummary_key', 'key': '<c-y>A', 'plug': 'ZenCodingAnchorizeSummary', 'func': '<esc>:call <sid>zen_anchorizeURL(1)<cr>a'},
-\ {'mode': 'n', 'var': 'user_zen_anchorizesummary_key', 'key': '<c-y>A', 'plug': 'ZenCodingAnchorizeSummary', 'func': ':call <sid>zen_anchorizeURL(1)<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_expandabbr_key', 'key': ',', 'plug': 'ZenCodingExpandAbbr', 'func': '<c-g>u<esc>:call <sid>zen_expandAbbr(0)<cr>a'},
+\ {'mode': 'i', 'var': 'user_zen_expandword_key', 'key': '.', 'plug': 'ZenCodingExpandWord', 'func': '<c-g>u<esc>:call <sid>zen_expandAbbr(1)<cr>a'},
+\ {'mode': 'v', 'var': 'user_zen_expandabbr_key', 'key': ',', 'plug': 'ZenCodingExpandVisual', 'func': ':call <sid>zen_expandAbbr(2)<cr>'},
+\ {'mode': 'n', 'var': 'user_zen_expandabbr_key', 'key': ',', 'plug': 'ZenCodingExpandNormal', 'func': ':call <sid>zen_expandAbbr(0)<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_balancetaginward_key', 'key': 'd', 'plug': 'ZenCodingBalanceTagInward', 'func': '<esc>:call <sid>zen_balanceTag(0)<cr>a'},
+\ {'mode': 'n', 'var': 'user_zen_balancetaginward_key', 'key': 'd', 'plug': 'ZenCodingBalanceTagInward', 'func': ':call <sid>zen_balanceTag(0)<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_balancetagoutward_key', 'key': 'D', 'plug': 'ZenCodingBalanceTagOutward', 'func': '<esc>:call <sid>zen_balanceTag(1)<cr>a'},
+\ {'mode': 'n', 'var': 'user_zen_balancetagoutward_key', 'key': 'D', 'plug': 'ZenCodingBalanceTagOutward', 'func': ':call <sid>zen_balanceTag(1)<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_next_key', 'key': 'n', 'plug': 'ZenCodingNext', 'func': '<esc>:call <sid>zen_moveNextPrev(0)<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_prev_key', 'key': 'N', 'plug': 'ZenCodingPrev', 'func': '<esc>:call <sid>zen_moveNextPrev(1)<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_imagesize_key', 'key': 'i', 'plug': 'ZenCodingImageSize', 'func': '<esc>:call <sid>zen_imageSize()<cr>a'},
+\ {'mode': 'n', 'var': 'user_zen_imagesize_key', 'key': 'i', 'plug': 'ZenCodingImageSize', 'func': ':call <sid>zen_imageSize()<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_togglecomment_key', 'key': '/', 'plug': 'ZenCodingToggleComment', 'func': '<esc>:call <sid>zen_toggleComment()<cr>a'},
+\ {'mode': 'n', 'var': 'user_zen_togglecomment_key', 'key': '/', 'plug': 'ZenCodingToggleComment', 'func': ':call <sid>zen_toggleComment()<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_splitjointag_key', 'key': 'j', 'plug': 'ZenCodingSplitJoinTagInsert', 'func': '<esc>:call <sid>zen_splitJoinTag()<cr>a'},
+\ {'mode': 'n', 'var': 'user_zen_splitjointag_key', 'key': 'j', 'plug': 'ZenCodingSplitJoinTagNormal', 'func': ':call <sid>zen_splitJoinTag()<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_removetag_key', 'key': 'k', 'plug': 'ZenCodingRemoveTag', 'func': '<esc>:call <sid>zen_removeTag()<cr>a'},
+\ {'mode': 'n', 'var': 'user_zen_removetag_key', 'key': 'k', 'plug': 'ZenCodingRemoveTag', 'func': ':call <sid>zen_removeTag()<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_anchorizeurl_key', 'key': 'a', 'plug': 'ZenCodingAnchorizeURL', 'func': '<esc>:call <sid>zen_anchorizeURL(0)<cr>a'},
+\ {'mode': 'n', 'var': 'user_zen_anchorizeurl_key', 'key': 'a', 'plug': 'ZenCodingAnchorizeURL', 'func': ':call <sid>zen_anchorizeURL(0)<cr>'},
+\ {'mode': 'i', 'var': 'user_zen_anchorizesummary_key', 'key': 'A', 'plug': 'ZenCodingAnchorizeSummary', 'func': '<esc>:call <sid>zen_anchorizeURL(1)<cr>a'},
+\ {'mode': 'n', 'var': 'user_zen_anchorizesummary_key', 'key': 'A', 'plug': 'ZenCodingAnchorizeSummary', 'func': ':call <sid>zen_anchorizeURL(1)<cr>'},
 \]
    
   if !hasmapto('<plug>'.item.plug, item.mode)
     exe item.mode . 'noremap <plug>' . item.plug . ' ' . item.func
   endif
   if !exists('g:' . item.var)
-    exe 'let g:' . item.var . " = '" . item.key . "'"
+    exe 'let g:' . item.var . " = '" . g:user_zen_leader_key . item.key . "'"
   endif
   if !hasmapto(eval('g:' . item.var), item.mode)
-    exe item.mode . 'map ' . s:target . ' ' . item.key . ' <plug>' . item.plug
+    exe item.mode . 'map ' . s:target . ' ' . g:user_zen_leader_key . item.key . ' <plug>' . item.plug
   endif
 endfor
 
@@ -1361,7 +1361,11 @@ function! s:zen_imageSize()
   if !s:region_is_valid(img_region) || !s:cursor_in_region(img_region)
     return
   endif
-  let current = s:zen_parseTag(s:get_content(img_region))
+  let content = s:get_content(img_region)
+  if content !~ '^<img[^><]\+>$'
+    return
+  endif
+  let current = s:zen_parseTag(content)
   let fn = current.attr['src']
   if fn !~ '^\(/\|http\)'
     let fn = simplify(expand('%:h') . '/' . fn)