Modify Rainmeter AppVolume Skin

I'm currently using AppVolume Skin (found in GitHub) to monitor per-app volume sliders.
I need a few changes to the skin mentioned below in order to suit my needs.

I'll provide the following:

1) A modified version of the AppVolume skin.
2) Another volume mixer skin to assist in the required changes.

I need to following to the AppVolume skin:

1) Modify the AppVolume Skin slider to allow drag to change volume (similar to the other sample skin).
2) Next to the app name, show the app icon (similar to the other sample skin).

Both will require experience in lua language and Rainmeter skin development.
If you read all the requirements please provide your bid with the words lua developer.

Thanks.