diff --git a/.gitattributes b/.gitattributes
index c2a0aa3..f2bbdb4 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -94,6 +94,9 @@
 *.prproj filter=lfs diff=lfs merge=lfs -text
 *.ai filter=lfs diff=lfs merge=lfs -text
 *.psd filter=lfs diff=lfs merge=lfs -text
+*.pk filter=lfs diff=lfs merge=lfs -text
+*.pkf filter=lfs diff=lfs merge=lfs -text
+
 
 # Davinci Resolve files
 *.dpx filter=lfs diff=lfs merge=lfs -text
@@ -108,6 +111,8 @@
 *.pdn filter=lfs diff=lfs merge=lfs -text
 *.pur filter=lfs diff=lfs merge=lfs -text
 *.db filter=lfs diff=lfs merge=lfs -text
+*.raw filter=lfs diff=lfs merge=lfs -text
+*.lnk filter=lfs diff=lfs merge=lfs -text
 
 # Python files
 *.npz filter=lfs diff=lfs merge=lfs -text
diff --git a/Renders/CompressPNGs.bat b/Renders/CompressPNGs.bat
new file mode 100644
index 0000000..80aa9a2
--- /dev/null
+++ b/Renders/CompressPNGs.bat
@@ -0,0 +1,43 @@
+@echo off
+setlocal EnableExtensions EnableDelayedExpansion
+
+set "REN_DIR=%~dp0"
+for %%I in ("%REN_DIR%..") do set "PROJ_ROOT=%%~fI"
+
+set "CONFIG_DIR=%PROJ_ROOT%\.config"
+set "CONFIG_PATH=%CONFIG_DIR%\config.json"
+set "GET_STRUCT_DIR=%CONFIG_DIR%\GetStructDir.ps1"
+
+if not exist "%CONFIG_PATH%" (
+    echo [ERROR] config.json not found at %CONFIG_PATH%
+    echo Please run ConfigLoader.ps1 to deploy helper files.
+    exit /b 1
+)
+
+if not exist "%GET_STRUCT_DIR%" (
+    echo [ERROR] GetStructDir.ps1 not found at %GET_STRUCT_DIR%
+    echo Please run ConfigLoader.ps1 to deploy helper files.
+    exit /b 1
+)
+
+for /f "usebackq delims=" %%I in (`powershell -NoProfile -ExecutionPolicy Bypass -Command ^
+    "Set-StrictMode -Version Latest; $structDir = & '%GET_STRUCT_DIR%' -ProjectRoot '%PROJ_ROOT%'; if (-not $structDir) { throw \"Failed to get structDir from GetStructDir.ps1\" }; $pyPath = Join-Path $structDir 'compress_sequence_pngs.py'; if (-not (Test-Path -LiteralPath $pyPath)) { throw \"compress_sequence_pngs.py not found at $pyPath\" }; Write-Output $pyPath"`) do set "PY_SCRIPT=%%~I"
+
+if not defined PY_SCRIPT (
+    echo [ERROR] Unable to resolve compress_sequence_pngs.py path from config.
+    exit /b 1
+)
+
+pushd "%PROJ_ROOT%" >nul 2>&1
+
+python "%PY_SCRIPT%" %*
+set "ERR=!ERRORLEVEL!"
+
+popd >nul 2>&1
+
+if !ERR! NEQ 0 (
+    echo PNG compression failed ^(exit code !ERR!^).
+    exit /b !ERR!
+)
+
+exit /b 0
diff --git a/Renders/UpdateSequences.bat b/Renders/UpdateSequences.bat
index 260c0a6..c11c9e9 100644
--- a/Renders/UpdateSequences.bat
+++ b/Renders/UpdateSequences.bat
@@ -55,9 +55,16 @@ if not defined ps1 (
     exit /b 1
 )
 
-echo   Running PowerShell update script...
+REM Run from batch directory (sequences next to batch, or submodule root)
+set "WORK_DIR=%script_dir%"
+if "%WORK_DIR:~-1%"=="\" set "WORK_DIR=%WORK_DIR:~0,-1%"
+pushd "%WORK_DIR%" >nul 2>&1
+
+echo   Running PowerShell update script in %WORK_DIR%...
 powershell -NoProfile -ExecutionPolicy Bypass -File "%ps1%"
 set "rc=%errorlevel%"
+
+popd >nul 2>&1
 echo PowerShell exited with RC=%rc%
 echo Done.
 pause >nul