Official Windows 7 SP1 ISO from Digital River

Windows 7 Ultimate SP1-U ISO

English x86: X17-59463.iso
English x64: X17-59465.iso

French x86: X17-59477.iso
French x64: X17-59479.iso

Spanish x86: X17-58877.iso
Spanish x64: X17-58879.iso

Windows 7 Professional SP1-U ISO

English x86: X17-59183.iso
English x64: X17-59186.iso

German x86: X17-59886.iso
German x64: X17-59885.iso

French x86: X17-59195.iso
French x64: X17-59197.iso

Spanish x86: X17-58866.iso
Spanish x64: X17-58868.iso

Italian x86: X17-59212.iso
Italian x64: X17-59215.iso

Portuguese x86: X17-59246.iso
Portuguese x64: X17-59247.iso

Swedish x86: X17-59271.iso
Swedish x64: X17-59273.iso

Norwegian x86: X17-59229.iso
Norwegian x64: X17-59231.iso

Finnish x86: X17-59192.iso
Finnish x64: X17-59194.iso

Dutch x86: X17-59233.iso
Dutch x64: X17-59236.iso

Danish x86: X17-59891.iso
Danish x64: X17-59883.iso

Traditional Chinese x86: X17-59295.iso
Traditional Chinese x64: X17-59297.iso

Korea x86: X17-59299.iso
Korea x64: X17-59300.iso

Windows 7 Professional N SP1-U ISO (Note: N editions come without media components)

English x86: X17-59335.iso
English x64: X17-59337.iso

German x86: X17-59323.iso
German x64: X17-59327.iso

French x86: X17-59348.iso
French x64: X17-59351.iso

Spanish x86: X17-58871.iso
Spanish x64: X17-58874.iso

Italian x86: X17-59364.iso
Italian x64: X17-59366.iso

Portuguese x86: X17-59395.iso
Portuguese x64: X17-59398.iso

Swedish x86: X17-59418.iso
Swedish x64: X17-59424.iso

Norwegian x86: X17-59380.iso
Norwegian x64: X17-59383.iso

Finnish x86: X17-59344.iso
Finnish x64: X17-59346.iso

Dutch x86: X17-59384.iso
Dutch x64: X17-59387.iso

Danish x86: X17-59318.iso
Danish x64: X17-59320.iso

Windows 7 Home Premium SP1-U ISO

English x86: X17-58996.iso
English x64: X17-58997.iso

Spanish x86: X17-58857.iso
Spanish x64: X17-58859.iso

French x86: X17-59007.iso
French x64: X17-59009.iso