Diff
"C:\Program Files\Beyond
Compare 3\BComp.exe" %base %mine /title1=%bname /title2=%yname
/leftreadonly
To use Beyond Compare for image comparisons either replace the file C:\Program Files\TortoiseSVN\bin\TortoiseIDiff.exe with a copy of BComp.exe, or click the Advanced button on the Diff Viewer tab and add each image type's extension with the same command line as above.
3-Way Merge (v3 Pro)
"C:\Program Files\Beyond
Compare 3\BComp.exe" %mine %theirs %base %merged /title1=%yname
/title2=%tname /title3=%bname /title4=%mname
2-Way Merge (v3 Std, v2)
Use the same steps as above, but use the command line:"C:\Program
Files\Beyond Compare 3\BComp.exe" %mine %theirs /savetarget=%merged