You can use the --savedir command line option to change where ECWolf saves.
[spoiler=][code]Usage: ecwolf [options]
Options:
--help This help page
--config <file> Use an explicit location for the config file
--savedir <dir> Use an explicit location for save games
--file <file> Loads an extra data file
--data <extension> Selects the given game data set skipping the dialog
--tedlevel <level> Starts the game in the given level
--skill <#> Sets the difficulty for tedlevel
--baby Sets the difficulty to baby for tedlevel
--easy Sets the difficulty to easy for tedlevel
--normal Sets the difficulty to normal for tedlevel
--hard Sets the difficulty to hard for tedlevel
--nowait Skips intro screens
--fullscreen Starts the game in fullscreen mode
--res <width> <height> Sets the screen resolution
--aspect <aspect> Sets the aspect ratio.
--noadaptive Disables adaptive tics.
--bits <b> Sets the screen color depth
(use this when you have palette/fading problems
allowed: 8, 16, 24, 32, default: "best" depth)
--nodblbuf Don't use SDL's double buffering
--extravbls <vbls> Sets a delay after each frame, which may help to
reduce flickering (unit is currently 8 ms, default: 0)
--joystick <index> Use the index-th joystick if available
(-1 to disable joystick, default: 0)
--joystickhat <index> Enables movement with the given coolie hat
--samplerate <rate> Sets the sound sample rate (given in Hz, default: 44100)
--audiobuffer <size> Sets the size of the audio buffer (-> sound latency)
(given in bytes, default: 2048 / (44100 / samplerate))
--host <number> Sets up a network game with the given number of players.
--connect <address> Connects to the given host.
--port <number> Port number to use for network communications.
--debugnet Enable network debugging messages.
--foreignsave Disable save game validity checking.[/code][/spoiler]