The image values are as follows:1)

Registry GPP
REG_SZ
REG_SZ_Expand
Value REG_DWORD Value REG_BINARY Value REG_Misc2) Value
Create
Replace
Update
Delete
5
6
7
8
10
11
12
13
15
16
17
18
0
1
2
3
4
9

File GPP
File Value
Create
Replace
Update
Delete
0
1
2
3

Folder GPP
Folder Value
Create
Replace
Update
Delete
0
1
2
3

Printer GPP
Folder Value
Create
Replace
Update
Delete
0
1
2
3

Shortcuts GPP
Folder Value
Create
Replace
Update
Delete
0
1
2
3
Drives GPP
Folder Value
Create
Replace
Update
Delete
0
1
2
3

1)
When items are classified as disabled, GPP is smart enough to update the icon with the grayed out version of the icon, regardless of the image value used.
2)
These images could be used in place of the defaults if required.