Landlord.com accepts the following standard creative sizes:

Full Banner (468x60)
Accepted by Landlord.com  
Pixel Width: 468
Pixel Height: 60
Maximum File Size: 12k
Enhanced File Size: 15k
Maximum Animation Loop: 3x

For sample 468x60 - see here.


Square Button (125x125)
Accepted by Landlord.com
Pixel Width: 125
Pixel Height: 125
Maximum File Size: 8K
Enhanced File Size: n/a
Maximum Animation Loop: 3x




Button Ad (120x60)
Accepted by Landlord.com
Pixel Width: 120
Pixel Height: 60
Maximum File Size: 4K
Enhanced File Size: n/a
Maximum Animation Loop: 3x