diff --git a/3rdparty/smk/smk.h b/3rdparty/smk/smk.h
new file mode 100644
index 00000000..0a8624ad
--- /dev/null
+++ b/3rdparty/smk/smk.h
@@ -0,0 +1,54 @@
+#ifndef SMK_H
+#define SMK_H
+
+struct SmackSum {
+	unsigned long m_totalTime;
+	unsigned long m_ms100PerFrame;
+	unsigned long m_totalOpenTime;
+	unsigned long m_totalFrames;
+  	unsigned long m_skippedFrames;
+	unsigned long m_totalBlitTime;
+	unsigned long m_totalReadTime;
+	unsigned long m_totalDecompressTime;
+	unsigned long m_totalBackReadTime;
+	unsigned long m_totalReadSpeed;
+	unsigned long m_slowestFrameTime;
+	unsigned long m_slowestTwoFrameTime;
+	unsigned long m_slowestFrameNum;
+	unsigned long m_slowestTwoFrameNum;
+	unsigned long m_averageFrameSize;
+	unsigned long m_highestOneSecRate;
+	unsigned long m_highestOneSecFrame;
+	unsigned long m_highestMemAmount;
+	unsigned long m_totalExtraMemory;
+	unsigned long m_highestExtraUsed;
+};
+
+struct Smack {
+	unsigned long m_version;
+	unsigned long m_width;
+	unsigned long m_height;
+	unsigned long m_frames;
+	unsigned long m_msInAFrame;
+	unsigned long m_smkType;
+	unsigned long m_audioTrackSize[7];
+	unsigned long m_treeSize;
+	unsigned long m_codeSize;
+	unsigned long m_abSize;
+	unsigned long m_detailSize;
+	unsigned long m_typeSize;
+	unsigned long m_trackType[7];
+	unsigned long m_extra;
+	unsigned long m_newPalette;
+	unsigned char m_palette[772];
+	unsigned long m_frameNum;
+	unsigned long m_lastRectX;
+	unsigned long m_lastRectY;
+	unsigned long m_lastRectW;
+	unsigned long m_lastRectH;
+	unsigned long m_openFlags;
+	unsigned long m_leftOfs;
+	unsigned long m_topOfs;
+};
+
+#endif // SMK_H
diff --git a/CMakeLists.txt b/CMakeLists.txt
index fa2d061e..14882a1e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -213,8 +213,9 @@ if (MINGW)
   target_compile_definitions(lego1 PRIVATE DIRECTINPUT_VERSION=0x0500)
 endif()
 
-# Additional include directories for both targets
+# Additional include directories
 include_directories("${CMAKE_SOURCE_DIR}/3rdparty/vec")
+include_directories("${CMAKE_SOURCE_DIR}/3rdparty/smk")
 
 if (ISLE_USE_SMARTHEAP)
   add_library(SmartHeap::SmartHeap STATIC IMPORTED)
diff --git a/LEGO1/mxsmkpresenter.cpp b/LEGO1/mxsmkpresenter.cpp
index 618db493..126c9a7a 100644
--- a/LEGO1/mxsmkpresenter.cpp
+++ b/LEGO1/mxsmkpresenter.cpp
@@ -4,16 +4,40 @@
 
 DECOMP_SIZE_ASSERT(MxSmkPresenter, 0x720);
 
-// OFFSET: LEGO1 0x100b3650 STUB
+// OFFSET: LEGO1 0x100b3650
 MxSmkPresenter::MxSmkPresenter()
 {
-	// TODO
+	Init();
 }
 
-// OFFSET: LEGO1 0x100b38d0 STUB
+// OFFSET: LEGO1 0x100b3870
+MxSmkPresenter::~MxSmkPresenter()
+{
+	Destroy(TRUE);
+}
+
+// OFFSET: LEGO1 0x100b38d0
 void MxSmkPresenter::Init()
 {
-	// TODO
+	m_unk0x71c = 0;
+	memset(&m_mxSmack, 0, sizeof(m_mxSmack));
+	m_flags &= 0xfd;
+	m_flags &= 0xfb;
+}
+
+// OFFSET: LEGO1 0x100b3900
+void MxSmkPresenter::Destroy(MxBool p_fromDestructor)
+{
+	m_criticalSection.Enter();
+
+	FUN_100c5d40(&m_mxSmack);
+	Init();
+
+	m_criticalSection.Leave();
+
+	if (!p_fromDestructor) {
+		MxVideoPresenter::Destroy(FALSE);
+	}
 }
 
 // OFFSET: LEGO1 0x100b3960
@@ -24,5 +48,20 @@ void MxSmkPresenter::VTable0x60()
 	}
 
 	m_bitmap = new MxBitmap();
-	m_bitmap->SetSize(m_smkWidth, m_smkHeight, NULL, FALSE);
+	m_bitmap->SetSize(m_mxSmack.m_smack.m_width, m_mxSmack.m_smack.m_height, NULL, FALSE);
+}
+
+// OFFSET: LEGO1 0x100c5d40
+void MxSmkPresenter::FUN_100c5d40(MxSmack* p_mxSmack)
+{
+	if (p_mxSmack->m_unk0x6a0)
+		delete p_mxSmack->m_unk0x6a0;
+	if (p_mxSmack->m_unk0x6a4)
+		delete p_mxSmack->m_unk0x6a4;
+	if (p_mxSmack->m_unk0x6a8)
+		delete p_mxSmack->m_unk0x6a8;
+	if (p_mxSmack->m_unk0x6ac)
+		delete p_mxSmack->m_unk0x6ac;
+	if (p_mxSmack->m_unk0x6b4)
+		delete p_mxSmack->m_unk0x6b4;
 }
diff --git a/LEGO1/mxsmkpresenter.h b/LEGO1/mxsmkpresenter.h
index 0858bb12..29b23afc 100644
--- a/LEGO1/mxsmkpresenter.h
+++ b/LEGO1/mxsmkpresenter.h
@@ -4,22 +4,41 @@
 #include "decomp.h"
 #include "mxvideopresenter.h"
 
+#include <smk.h>
+
 // VTABLE 0x100dc348
 // SIZE 0x720
 class MxSmkPresenter : public MxVideoPresenter {
 public:
 	MxSmkPresenter();
+	virtual ~MxSmkPresenter() override;
 
 	virtual void VTable0x60() override;
 
-	undefined4 m_unk64;
-	MxS32 m_smkWidth;  // 0x68
-	MxS32 m_smkHeight; // 0x6c
-	undefined4 m_unk70[427];
-	undefined4 m_unk71c;
+	struct MxSmack {
+		Smack m_smack;
+
+		// Unknown for the time being. Not an immediately
+		// recognizable part of the SMK standard...
+
+		undefined m_unk0x3f4[784];
+		undefined4* m_unk0x6a0;
+		undefined4* m_unk0x6a4;
+		undefined4* m_unk0x6a8;
+		undefined4* m_unk0x6ac;
+		undefined4* m_unk0x6b0;
+		undefined4* m_unk0x6b4;
+	};
+
+	MxSmack m_mxSmack;
+	undefined4 m_unk0x71c;
 
 private:
 	void Init();
+	void Destroy(MxBool p_fromDestructor);
+
+	// This should most likely be in a separate translation unit
+	static void FUN_100c5d40(MxSmack* p_mxSmack);
 };
 
 #endif // MXSMKPRESENTER_H