Hi here is the complete package of Icon Resources for Developers. I have made 3 Packages One with both ICO and PNG format icons, second with Only ICO files and the third with PNG icons Only.
ICO files includes 6 different Sizes;
1. 512 x 512 - Vista PNG Compressed
2. 256 x 256 - Vista PNG Compressed
3. 128 x 128
4. 48 x 48
5. 32 x 32
6. 16 x 16
PNG files are of 512 x 512 pixels.
Here is the Catalog.
Downloads
1. Both ICO & PNG
2. Only ICO
3. Only PNG