Yanfly Engine Ace - Active Chain Skills v1.01

I am using Yanfly Active Chain Skill script and I am in need of some help with a few edits. ~~I want to change how the chain system work slightly, I can't seem to change the input key to active a chain;~~ as well I am wanting to add a graphic indicting which key to press for input, successful and failed. Can anyone assist me with this? I threw together a mock up to show what it is I am trying to accomplish.

Indication Graphic

Press Failed

Current Script List

Spoiler

> Battle System
Victor's Base Module
Victor's Animated Battle
V ictor's Animated Battler
Victory's Skip Battle Log
V ictor's Active Time Battle
V ictor's Damage Pop
Victor's Anti Lag
Victor's Target Arrow
Yanfly Active Chain Skills Melosx's Battle Status

Melosx's ATB Compatibility Patch

Ziifee Ring Command Menu (Bottom of the Page)

Ziifee Ring Command Menu Support

>Effect System
MogHunter's Weather EX
TDS Sprite Reflection
MogHunter's Character EX
MogHunter's Touhou Map Name
Vlue's Sleek Item Pop-Up
Syvkal's Ring Menu
Niche's Xail System Core
Niche's Item Menu
MogHunter's Event Text
Galv's Encounter Pointer
Yanfly Messaging System
DiamondandPlatium3's Actor Voices
Galv's Shop Upgrade