theme contact form block I am using contact_form_blocks-7.x-1.x-dev module. Using this module I have embedd contact us form in my website. For themeing I have created file named block--contact.tpl.php. Cleared cache, but it doesnt result anything.
How should I theme this contact us form?
If you want to theme contact form then you can do it using  hook_form_alter().

Use hook_form_alter(&amp;$form, &amp;$form_state, $form_id) in your theme's template.php and alter the form the way you want to theme it.