diff --git a/core/helpers.asp b/core/helpers.asp
index 4e6f87c..258f947 100644
--- a/core/helpers.asp
+++ b/core/helpers.asp
@@ -57,18 +57,21 @@ Public Function GetAppSetting(key)
 End Function
 
 Public Function GetEnvironmentValue(name)
-    Dim shell, env, value
+    Dim shell, env, value, scopes, scope
     value = ""
 
     On Error Resume Next
     Set shell = Server.CreateObject("WScript.Shell")
-    Set env = shell.Environment("PROCESS")
     If Err.Number = 0 Then
-        value = env(name)
-        If Err.Number <> 0 Then
+        scopes = Array("PROCESS", "SYSTEM", "USER")
+        For Each scope In scopes
+            Set env = shell.Environment(scope)
+            If Err.Number = 0 Then
+                value = env(name)
+                If Len(Trim(CStr(value))) > 0 Then Exit For
+            End If
             Err.Clear
-            value = ""
-        End If
+        Next
     Else
         Err.Clear
     End If
@@ -108,7 +111,8 @@ Public Function GetGenerationPromptTemplate()
                  "Create blog content for this post title: {TITLE}" & vbCrLf & _
                  "Existing summary: {SUMMARY}" & vbCrLf & _
                  "Existing body: {BODY}" & vbCrLf & _
-                 "Keep the title unchanged. Make the content readable and helpful for a general audience."
+                 "Keep the title unchanged. Make the content readable and helpful for a general audience." & vbCrLf & _
+                 "Also include an image_prompt field in the generated JSON output that describes a magazine-style feature image."
     End If
 
     GetGenerationPromptTemplate = prompt