diff -u dwm-0.9/config.default.h dwm-0.9.modified/config.default.h
--- dwm-0.9/config.default.h	2006-08-15 09:09:18.000000000 +0100
+++ dwm-0.9.modified/config.default.h	2006-08-16 19:29:27.000000000 +0100
@@ -15,6 +15,9 @@
 #define MODKEY			Mod1Mask
 #define MASTERW			60 /* percent */
 
+const int WID_SLIDE=1;
+#define NO_COLS 4
+
 #define KEYS \
 static Key key[] = { \
 	/* modifier			key		function	arguments */ \
@@ -46,6 +49,8 @@
 	{ MODKEY|ControlMask,		XK_3,		toggleview,	{ .i = 3 } }, \
 	{ MODKEY|ControlMask,		XK_4,		toggleview,	{ .i = 4 } }, \
 	{ MODKEY|ShiftMask,		XK_q,		quit,		{ 0 } }, \
+	{ MODKEY,	XK_p,	adjustcoltypes,		{ .i = 1 } }, \
+	{ MODKEY,	XK_o, adjustcoltypes,		{ .i = -1 } }, \
 };
 
 #define RULES \
Only in dwm-0.9.modified: config.h
diff -u dwm-0.9/dwm.h dwm-0.9.modified/dwm.h
--- dwm-0.9/dwm.h	2006-08-15 09:09:18.000000000 +0100
+++ dwm-0.9.modified/dwm.h	2006-08-16 19:22:42.000000000 +0100
@@ -130,6 +130,7 @@
 extern void toggletag(Arg *arg);
 extern void toggleview(Arg *arg);
 extern void view(Arg *arg);
+extern void adjustcoltypes(Arg *arg);
 
 /* util.c */
 extern void *emallocz(unsigned int size);
diff -u dwm-0.9/tag.c dwm-0.9.modified/tag.c
--- dwm-0.9/tag.c	2006-08-15 09:09:18.000000000 +0100
+++ dwm-0.9.modified/tag.c	2006-08-16 19:36:53.000000000 +0100
@@ -57,22 +57,54 @@
 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
 }
 
+static int noFullCols=1;
+static int noStackCols=NO_COLS-1;
+
+/* change the balance between number of full and stacked columns */
+void
+adjustcoltypes(Arg *arg)
+{
+	if(!arg || (arg->i==1 && noFullCols==NO_COLS)
+		   || (arg->i==-1 && noFullCols==0)){
+		return;
+	}
+	noFullCols+=arg->i;
+	noStackCols-=arg->i;
+	arrange(NULL);
+}
+
 void
 dotile(Arg *arg)
 {
-	int h, i, n, w;
+	int n, i, colNo, cumHgt;
 	Client *c;
+	int noPerCol[NO_COLS],heights[NO_COLS];
+	Bool useTrivialCols;
 
-	w = sw - mw;
+	useTrivialCols=1;
 	for(n = 0, c = clients; c; c = c->next)
 		if(isvisible(c) && !c->isfloat)
 			n++;
-
-	if(n > 1)
-		h = (sh - bh) / (n - 1);
-	else
-		h = sh - bh;
-
+	for(i = 0; i < NO_COLS; ++i){ /* default to every column full height */
+		noPerCol[i] = i;
+		heights[i] = sh-bh;
+	}
+	if(noStackCols>0 && n >= NO_COLS
+	   && (n-noFullCols)*bh <= (sh-bh)*noStackCols){
+		/* need to set up non-trivial slave columns */
+		int noLongCols = (n-noFullCols)%noStackCols;
+		int noInShortCol = (n-noFullCols)/noStackCols;
+		for(i = noFullCols; i < NO_COLS; ++i){
+			int no = noInShortCol + (i>=NO_COLS-noLongCols?1:0);
+			heights[i] = (sh - bh) / no;
+			/* convert into cumulative total of when new column begins */
+			noPerCol[i] = no + (i==0 ? -1 : noPerCol[i - 1]);
+		}
+		useTrivialCols = 0;
+	}
+	mw = sw / NO_COLS;
+	colNo = 0;
+	cumHgt = sy + bh;
 	for(i = 0, c = clients; c; c = c->next) {
 		c->ismax = False;
 		if(isvisible(c)) {
@@ -80,32 +112,26 @@
 				resize(c, True, TopLeft);
 				continue;
 			}
-			if(n == 1) {
-				c->x = sx;
+			/* fewer clients than total columns OR slave cols are too full */
+			if(useTrivialCols) {
+				int nP = (n>NO_COLS?NO_COLS:n);
+				int iP = ((i>=NO_COLS?NO_COLS-1:i)+WID_SLIDE)%nP;
+				c->x = sx + (iP*sw) / nP;
 				c->y = sy + bh;
-				c->w = sw - 2;
+				c->w = sw / nP - 2;
 				c->h = sh - 2 - bh;
 			}
-			else if(i == 0) {
-				c->x = sx;
-				c->y = sy + bh;
+			else{ /* standard table driven approach to layout */
+				c->x = sx + ((colNo+WID_SLIDE)%NO_COLS)*mw;
+				c->y = cumHgt;
 				c->w = mw - 2;
-				c->h = sh - 2 - bh;
-			}
-			else if(h > bh) {
-				c->x = sx + mw;
-				c->y = sy + (i - 1) * h + bh;
-				c->w = w - 2;
-				if(i + 1 == n)
-					c->h = sh - c->y - 2;
-				else
-					c->h = h - 2;
-			}
-			else { /* fallback if h < bh */
-				c->x = sx + mw;
-				c->y = sy + bh;
-				c->w = w - 2;
-				c->h = sh - 2 - bh;
+				c->h = heights[colNo] - 2;
+				cumHgt += heights[colNo];
+				if(i == noPerCol[colNo]){ /* next client starts a new column */
+					c->h = sh - 2 - c->y;
+					++colNo;
+					cumHgt = sy + bh;
+				}
 			}
 			resize(c, False, TopLeft);
 			i++;