To improve the look of the calendar and calendar nugger you can remove the leading zeros from dates between 01 and 09
The process involves editing 3 files
$res = array( '01'=>'1', '02'=>'2', '03'=>'3', '04'=>'4', '05'=>'5', '06'=>'6', '07'=>'7', '08'=>'8', '09'=>'9', 'Sunday' => 'Sunday', ............
Replace this
<?php echo CAL_getResource($this->data['nav']['title']['weekday']);?>, <?php echo CAL_getResource($this->data['nav']['title']['month']);?> <?php echo $this->data['nav']['title']['day'];?>, <?php echo $this->data['nav']['title']['year'];?>
with this
<?php echo CAL_getResource($this->data['nav']['title']['weekday']);?>, <?php echo CAL_getResource($this->data['nav']['title']['month']);?> <?php echo CAL_getResource($this->data['nav']['title']['day']);?>, <?php echo $this->data['nav']['title']['year'];?>
Replace this
<?php echo CAL_getResource($this->data['nav']['title']['end']['month']);?> <?php echo $this->data['nav']['title']['end']['day'];?>
With this
<?php echo CAL_getResource($this->data['nav']['title']['end']['month']);?> <?php echo CAL_getResource($this->data['nav']['title']['end']['day']);?>