tintin19, If you open Vdownloader then add the web url of the video you want to download. Then select Options>Preferences from the VDownloader menu bar and set format, size and bitrate.
Then when you press the download button the save dialogue will open and you can select where you want to save the .avi and the name.
Once you have downloaded the file run AVConverter
1 select the file you want to convert in this case the .avi you just downloaded with vDownload.
2 The location where you want the converted file to be saved.
3 The name you want to give to the finished .avi
Press Save, Close and Convert now and then copy to your player.