Downloading through a computer

[Amp34]

I want to download some of the free games and things on the SE website for my K800 but I only have a basic O2 contract and get next to no free data. Is there any way I can either connect the phone to the computer and download via my broadband connection or a way i can download the files to my PC first then transfer them to the phone?

 

[Amp34]

Unfortunatly when i download the file it downloads a .jad file which is just the install file. When i open it on the phone it then downloads the game and installs it using up data on my phone.