If you wish to use an FTP client (software) to upload your images, or other files, there are many good products available. Some are free ! Here are a few resources you may...

Configuring your website in CuteFTP Managing files/folders in CuteFTP Uploading files using CuteFTP Configuring your website in FileZilla Managing files/folders in FileZilla Uploading files using FileZilla Configuring your website in FlashFXP Setting your preferences in...