Britton30 is pointing you in the right direction. Actually, the C:\Windows\system32\folder has dozens and dozens of .dll files, many of which have multiple icons in them, all available to use. Here are some of my favorites:
Accessibilitycpl.dll
Compstui.dll
Connect.dll
imageres.dll
netshell.dll
nvcpl.dll
nvdisps.dll
pifmgr.dll
pnidui.dll
setupapi.dll
Shell32.dll
shwebsvc.dll
stcplx64.dll
sud.dll
syncui.dll
themecpl.dll
urlmon.dll
wcnwiz.dll
wininit.dll
wmploc.dll
wpdshext.dll
wuapi.dll