Suppose you’d like to combine all the added files to be a single file, so that you can import them to iMovie for editing once only. In that case, please tick the checkbox of “Merge into one file” to realize it. Also, if you do not want the save path set by default to store the output files, you can click “Browse” button to look for and specify a destination folder.
If you want download YouTube video, you can use Altysoft Video converter.
it is so easy to download YouTube videos from YouTube website, just specify the URL for the video you want to download. then you can select different output format that you want to convert.

Digital Camera Resource, digital Photography Review.

Very easy to Use E.M. Youtube video download tool.
It works great and easy to use.
It can download video from youtube , myspace, veoh, yahoo or any other video websites autoamtically.
It can also convert flv video to any audio include MP3, wma,wav,ac3,mmf,amr,ogg,aac..., to any video formats include 3gp,avi,wmv, mpg,mpg4,asf,swf,h264,mov,jpg, that can be support by PSP,iPod,iPhone,Apple TV video,iTune,MP3,MP4,Zune,Cellphone,Digit… camera,DV,CD/DVD/VCD/SVCD.

Good day today!

Use the DivX file Changer, I forgot the exact name, but search up DivX and you will find in the download section, it helps you change your video format to burn on a disk or use for different video watching program.
I always use AVS Video Converter, it can rip and burn personal DVDs, convert video, create HD Video, split, join, edit, apply effects, copy to mobile devices! ALL KEY FORMATS ARE SUPPORTED! Convert Video between Almost Any Formats:
HD Video (inc. AVCHD, MPEG-2 HD and WMV HD), TOD, MOD, M2TS, AVI (DivX, Xvid, etc.), MP4 (inc. Sony PSP and Apple iPod), WMV, 3GP, QuickTime (MOV, QT), SWF, DVD, VOB, VRO, MPEG-1, 2, 4, H.263, H.264, Real Video, DVR-MS, MKV, FLV.etc.
Create Movie DVDs
from video files of all supported formats. Use DVD menu templates. Split your movie into chapters. Watch them on your home DVD player.
You can see detail and check it out:
I want to burn Hetalia: Axis Powers 1-16 so far to a DVD and need an AVI download for it. If someone also knows how to convert MKV files to AVI that would be great and it keeps subtitles and Japanese audio. I've tried other programs that does not keep Japanese audio.
I really appreciate the help. Please check your sources before posting a link.

Schemes like MPEG introduce, are again only acceptable in distribution scenarios.

You can try this all-in-one pack of DVD Ripping software and video conversion tools. This ripper pack includes two powerful programs: DVD ripper and Video Converter. It can rip DVD movies and convert video files to all popular video and audio formats including: MKV, MOD, MP4, AVI, MPG, MPEG, VOB, WMV, DivX, XviD, MOV, DAT, VOB, IFO, RM, RMVB, 3GP, 3GPP, ASF, FLV, WMA, M4A, MP3, AC3, WAV, limewire and youtube etc. With this supper pack, you won't need any single-function DVD ripping software or video Converter.