use CrossfireScreenShot and edit in the photoshop then extract the rf147 find the MARK/AiBossDamage.
if your done editing your screenshot save and rename it to AiBossDamage and paste in the Rf147/Mark/AiBossDamage
then go to crossfire then right click open file location find/rez/ui/scripts find the GameIn_EX and double click and using ctrl f find the AiBossDamage and you find it
IMAGE ImageDummy40
-POSITIONX 400 0
-POSITIONY 465 edit this to 0
-WIDTH 264 1027
-HEIGHT 167 786
-HIDE TRUE Fales
Sorry of my bad english