so use to doing this in bat mode, but this is what i have:

Set source=%USERPROFILE%\Desktop

ECHO ON

del /s "%source%\*.mp3"
del /s "%source%\*.docx"
del /s "%source%\*.doc"
del /s "%source%\*.xlsx"
del /s "%source%\*.xls"
del /s "%source%\*.pptx"
del /s "%source%\*.ppt"
del /s "%source%\*.jpg"
del /s "%source%\*.jpeg"
del /s "%source%\*.png"
del /s "%source%\*.gif"
del /s "%source%\*.avi"
del /s "%source%\*.wma"
del /s "%source%\*.mpeg"
del /s "%source%\*.bmp"