Step 1
Download package , you will have a plugin.
You install plugin as normal, then enable it.
Step 2
How to use JMS Youtube for Virtuemart custom Plugin:
Go to Virtuemart component, then go to Custom fiels list, creat new with: Custom Field Type field is Plug-ins, Title field is "Embed youtube" , and Select a plug-in field is Vmcustom-JMSYoutube, other fields as default. Then click Save button for saving this custom field.

- Width: width of youtube video
- Height: height of youtube video
- Border width: width of border youtube video
- Border color: color of border youtube video
- Auto play: auto play or not
- Related videos: related videos
- Youtube title: show youtube title or hide
- Control bar: show control bar or hide
- Fade-out control bar: fade-out control bar or not
- Progress bar color: choose color for progress bar is red or white
- Youtheme: choose theme is dark or light
Edit a product, then go to Custom fields tab, you will see "Custom Field Type:" . Click on select list, then choose "Embed youtube", you will see that it adds embed youtube custom field to your product, click Save button.

- Show title: has many options are Show title, Custom title or No title
- Custom title: custom title
- Youtube video ID: ID of youtube video(not full url of youtube video)
- Youtube description: show description of youtube video
Fill information as you want, click Save button. After all, you can check your product at frontend