I'm trying to display a custom message in similar style to Skyrim game events such as "X location discovered" or "X Shout Learned". However digging through the word wall trigger scripts and Dragon deathsequence scripts, i've found out these messages appear to be tied to hardcoded gamesettings and events; particularly WordwallTriggerscript1/2 and MQKillDragonScript which controls the effects and adds a dragon soul to the Dragonsoul modifier, which in itself triggers the message to appear.
The following msg (images are disabled for some reason):
http://baltaru.com/images/Dragon-shout-slow-time-location.jpg
Is there any way at all to create a custom message and get it to display like that?