List of best mirrors for IP address 18.220.142.17, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/raspbian/pool/main/a/arctica-greeter/arctica-greeter-theme-debian-futureprototype_0.99.8.3-1_all.deb