AdminCP -> Edit Email Templates
Registration Validation

Remove:
Password: <#PASSWORD#>

AdminCP -> Edit Skin Properties -> HTML -> Viewing a topic Elements
Editable code for PageTop

Add:
                         <td valign='middle' align='center' id='titlemedium'><a href='<%VAR:BOARD_URL%>/ikonboard.<%VAR:CGI_EXT%>?s=$iB::SESSION;act=ST;f=$data->{'FORUM'}->{'FORUM_ID'};t=$data->{'TOPIC'}->{'TOPIC_ID'};sort_by=A-Z'><%LANG:Topic:p_new%></a>
| <a href='<%VAR:BOARD_URL%>/ikonboard.<%VAR:CGI_EXT%>?s=$iB::SESSION;act=ST;f=$data->{'FORUM'}->{'FORUM_ID'};t=$data->{'TOPIC'}->{'TOPIC_ID'};sort_by=Z-A'><%LANG:Topic:p_old%></a>
                       </td>
 
cgi-bin/ikonboard/Languages/en/TopicWords.pm 

Add:
p_new  => "Newest Post First",
p_old  => "Oldest Post First",