有关自定义主题的问题，插件无法在Magento中运行

I am using magento custom theme. When I open my product page, while loading the page the default zoom function buttons are visible for a moment. When page load completely the buttons are disappear. Let us look the images for more info:

Before (while loading)

After page load

Why this happened so? I am installed a new custom theme. This theme not provide any image zoom functionality. I think the zoom buttons are load from frontend\base\default\template\catalog\product\view\media.phtml. Why my site load this page, since I use a custom theme the site should use the theme's media.phtml file. How can I solve this issue?

And when I try to install some product zoom plugins, these are not working in my theme. The plugin files are saved in my default theme directory. And I manually copy the plugin files from default to custom theme directory, but no luck. Please refer the LINK for more details. Is there any way to rectify this?

Please help me ...I am using magento 1.9.0.1

First of all you need to check which package you are using for you theme, you can check if media.phtml is being called from rwd folder.

i.e. /app/design/frontend/rwd/default/template/catalog/product/view 

Or you can enable path hints and locate the phtml files, and accordingly that you can put the design files of custom module there.

To turn on template path hints in Magento:

• log into the magento back-end admin.
• Go to System -> Configuration in the main menu.
• Go to Developer on the bottom left under ADVANCED.
• Switch to the store view on the top left to your current website or store view.

or check the below link.

https://support.sweettoothrewards.com/entries/21255937-How-do-I-turn-on-template-path-hints-