clinci

i have been trying to install extra mod packs but it says it cannot download. it checks for an update then installs the native files and then gives me the following error. for example when i tried to download the clay soldiers mod pack. Error downloading file for the following pack:ClaySoldiers Failed to download https://dl.dropbox.com/u/97056275/Claysoldiers.zip Please consult modpack author and its not the download link. i have tried others but have had no luck. how do i fix this so i can download the mod packs i want