Change the tumbnail size and quality

If any one of you like to use thumbnail view especially for browsing through photos.You can change the size by editing by following register key

Open registry :
H_KEY_CURRENT USER \SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER
Create a new DWORD value called thumbnail size and set the value between 31 and 255 and create another DWORD value called thumbnail quality and set the value between 51 and 100

Key details:
Userkey:H_KEY_CURRENT USER \SOFTWARE\MICROSOFT\WINDOWS\CURRENT VERSION\EXPLORER
Value name:Thumbnail size
Data type:REG_dword
Data value:31-255

Userkey:H_KEY_CURRENT USER \SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER
Value name:thumbnail quality
Data type:REG_dword
Data value:51-100