Click the Options button up the top right.
Under 'Convert To...' choose AVI.
Under 'Device Preset' choose:
a) XviD Fullscreen for 4:3 ratio (640x480), or
b) XviD Widescreen for 16:9 ratio (704x384), or
c) XviD Widescreen Anamorphic for 2.35:1 ratio (640x272).
Select '2 pass' down bottom left.
The above presets are for stereo audio which is fine unless you know the standalone can handle AC3 5.1 in an AVI without down mixing to stereo, in which case it would be better to have any 5.1 audio.
WinFF is the program I use for strange formats like WMV or FLV, (because ffmpeg can handle almost anything), but for almost everything else, (AVI, MKV, MPG2, VOB), I use StaxRip
for more control over the output, (but it's still reasonably easy to understand/use).
Give WinFF a try anyhow and see if you like the results on your TV, (the rescaling up of small resolution videos might result in blocky output), otherwise there are plenty of other video conversion software around.VideoHelp
is arguably the best place for guides on how to convert from 'this' to 'that'. Just click on 'Convert' under the 'How To' heading on the left side menu and then enter some search terms.