CGTextures License). You need to make an account if you want to download images, but since it does not cost anything, it isn't a big deal at all. You can probably find almost everything on here.
light yellow paper texture with flecks, which I used on the pumpkin whisperer. Furthermore the resolutions are very high and you do not have to create an account to download the images.
grunge images. The images are royalty free and you can use them for commercial and non-commercial purposes. No account required.