know one which is easy to use and has good quality. That is Joboshare DVD Creator.
Why not have a try?
It is a professional dvd creator to convert popular video to dvd. It allows you to specify NTSC or PAL, adjust 4:3 or 16:9 video aspect and burn DVD movie disc, DVD folder or ISO files. Joboshare DVD Creator supports lots of DVD formats, including DVD-R, DVD+R, DVD-RW, DVD+RW, DVD-5, and DVD-9.
You can free trail it here:
http://www.topmediasoft.com/download/j/j-dvd-creator-483120.exe
Step 0: Download,Install and run Joboshare DVD Creator
Step 1: Choose the "To DVD" button and click "Open/Add" button to import WMV/AVI files to convert WMV/AVI to DVD.
Step 2: Select Merge or Batch function.
Batch Function, Support converting multiple files to DVD VCD SVCD MPEG1/2 at the same instance
Merge/Join function, Support selecting several clips from different sources and combine them into one single output.
Step 3: Set your preference to burn WMV/AVI to DVD.
Step 4: Click "More Advanced Settings" button to set advanced settings for your files.
Step 5: Choose the "Output Folder" and Click "Convert & Burn" button to start.
I hope that can help you!