diff --git a/LEGO1/mxhashtable.h b/LEGO1/mxhashtable.h
index f9505bb5..3d91717b 100644
--- a/LEGO1/mxhashtable.h
+++ b/LEGO1/mxhashtable.h
@@ -67,7 +67,7 @@ class MxHashTable : protected HashTableParent<T>
   virtual ~MxHashTable();
 
   void Resize();
-  void MxHashTable::Add(T* );
+  void Add(T* );
 
   virtual MxS8 Compare(T*, T*) = 0;
 
diff --git a/LEGO1/mxlist.h b/LEGO1/mxlist.h
index 9ace7bf7..d8e2155d 100644
--- a/LEGO1/mxlist.h
+++ b/LEGO1/mxlist.h
@@ -5,13 +5,14 @@
 #include "mxcore.h"
 
 template <class T>
+// SIZE 0xc
 class MxListEntry
 {
 public:
-  MxListEntry<T>() {}
-  MxListEntry<T>(T *p_obj) {
+  MxListEntry() {}
+  MxListEntry(T *p_obj, MxListEntry *p_prev) {
     m_obj = p_obj;
-    m_prev = NULL;
+    m_prev = p_prev;
     m_next = NULL;
   }
 
@@ -38,7 +39,6 @@ class MxListParent : public MxCore
 
   // OFFSET: LEGO1 0x1001cd20
   virtual MxS8 Compare(T *, T *) = 0;
-
 protected:
   MxU32 m_count;                   // +0x8
   void (*m_customDestructor)(T *); // +0xc
@@ -56,6 +56,8 @@ class MxList : protected MxListParent<T>
   }
 
   virtual ~MxList();
+
+  void Append(T*);
 protected:
   MxListEntry<T> *m_first; // +0x10
   MxListEntry<T> *m_last;  // +0x14
@@ -80,4 +82,19 @@ MxList<T>::~MxList()
   m_first = NULL;
 }
 
+template <class T>
+inline void MxList<T>::Append(T *p_newobj)
+{
+  MxListEntry<T> *currentLast = this->m_last;
+  MxListEntry<T> *newEntry = new MxListEntry<T>(p_newobj, currentLast);
+
+  if (currentLast)
+    currentLast->m_next = newEntry;
+  else
+    this->m_first = newEntry;
+    
+  this->m_last = newEntry;
+  this->m_count++;
+}
+
 #endif // MXLIST_H
\ No newline at end of file
diff --git a/LEGO1/mxmediamanager.cpp b/LEGO1/mxmediamanager.cpp
index 95012e19..2be3531f 100644
--- a/LEGO1/mxmediamanager.cpp
+++ b/LEGO1/mxmediamanager.cpp
@@ -24,17 +24,6 @@ MxResult MxMediaManager::Init()
   return SUCCESS;
 }
 
-// OFFSET: LEGO1 0x100b8710
-void MxMediaManager::Destroy()
-{
-  MxAutoLocker lock(&this->m_criticalSection);
-
-  if (this->m_presenters)
-    delete this->m_presenters;
-    
-  Init();
-}
-
 // OFFSET: LEGO1 0x100b8790 STUB
 MxResult MxMediaManager::Tickle()
 {
@@ -55,3 +44,38 @@ MxResult MxMediaManager::InitPresenters()
 
   return SUCCESS;
 }
+
+// OFFSET: LEGO1 0x100b8710
+void MxMediaManager::Destroy()
+{
+  MxAutoLocker lock(&this->m_criticalSection);
+
+  if (this->m_presenters)
+    delete this->m_presenters;
+    
+  Init();
+}
+
+// OFFSET: LEGO1 0x100b88c0
+void MxMediaManager::AddPresenter(MxPresenter &p_presenter)
+{
+  MxAutoLocker lock(&this->m_criticalSection);
+
+  this->m_presenters->Append(&p_presenter);
+}
+
+// OFFSET: LEGO1 0x100b8980 STUB
+void MxMediaManager::RemovePresenter(MxPresenter &p_presenter)
+{
+  MxAutoLocker lock(&this->m_criticalSection);
+
+  // Remove element from m_presenters
+}
+
+// OFFSET: LEGO1 0x100b8ac0 STUB
+void MxMediaManager::StopPresenters()
+{
+  MxAutoLocker lock(&this->m_criticalSection);
+  
+  // Call EndAction on all presenters in list
+}
diff --git a/LEGO1/mxmediamanager.h b/LEGO1/mxmediamanager.h
index b5435957..45fdf639 100644
--- a/LEGO1/mxmediamanager.h
+++ b/LEGO1/mxmediamanager.h
@@ -18,9 +18,9 @@ class MxMediaManager : public MxCore
   virtual MxResult Tickle(); // vtable+08
   virtual MxResult InitPresenters(); // vtable+14
   virtual void Destroy(); // vtable+18
-  // vtable+1c
-  // vtable+20
-  // vtable+24
+  virtual void AddPresenter(MxPresenter &p_presenter); // vtable+1c
+  virtual void RemovePresenter(MxPresenter &p_presenter); // vtable+20
+  virtual void StopPresenters(); // vtable+24
 
   MxResult Init();
 private: