Sure, here is the section that uses @FULLNAME:

; ---------- WELCOME
$Result = DisplayText($CurPos, 2, "Logon: ", "w+/b")
$Result = DisplayText(-1, 0, "@MDayNo/@MonthNo/@Year @Time", "y+/b")
$Result = DisplayText(-1, 0, " at " + $Workstation, "w+/b")
$CurPos = $CurPos + 1
$Result = DisplayText($CurPos, 2, "Environment: " + "Ver. $LogonVersion ($OS), $LogonDomain ($Subnet), @LSERVER", "w+/b")
$CurPos = $CurPos + 2
$Result = DisplayText($CurPos, 2, "User (ID): ", "w+/b")
$Result = DisplayText(-1, 0, "@FULLNAME", "g+/b")
$Result = DisplayText(-1, 0, "(@USERID)", "w+/b")

an here the one using @PRIMARYGROUP:

Call "$LogonPath\GetGroups.kix"
If ((@PRIMARYGROUP = "") AND ($GroupList[0] = ""))
$Result = DisplayText(48, -1, "WARNING: No valid GROUP MEMBERSHIP found. Logging off!", "w+/r")
$Result = WriteLog("Logon.kix", "WARNING: No valid GROUP MEMBERSHIP found. Logging off!", 0)
Sleep 10
LogOff(1)
EndIf
$Result = DisplayText($CurPos, 2, "Primary Group: " + "@PRIMARYGROUP", "w+/b")
$Result = DisplayText($CurPos + 1, 2, "Other Groups: ", "w+/b")
For $i=0 To Ubound($GroupList)
"" + $GroupList[$i] + " "
Next