Update screenshots and files that reference them

The screenshots are more recent (including some new ones).

The welcome email images have not been updated as some things have to be
answered before that can be done.

The current files were renamed to be shorter as well.

next/rules.html

@@ -461,7 +461,7 @@ writing by <a href="../contact.html">contacting the judges</a>.</p>
 </div>
 </div>
 <p class="leftbar">
-These <a href="rules.html">IOCCC rules</a> are version <strong>28.26 2025-02-28</strong>.
+These <a href="rules.html">IOCCC rules</a> are version <strong>28.27 2025-03-01</strong>.
 </p>
 <p class="leftbar">
 The markdown form of these rules <a href="rules.md" download="rules.md">is
@@ -850,9 +850,20 @@ See also <a href="#rule17">Rule 17</a>.
 <h2 id="rule-9">Rule 9</h2>
 </div>
 <p class="leftbar">
-Each person may submit up to and including <strong>10.000000</strong> (ten in base 10) entries per contest.
+Each person may register <strong>ONLY</strong> one account and each account may submit up to
+and including <strong>10.000000</strong> (ten in base 10) entries per contest.
 </p>
 <p><strong>Each submission <em>must be submitted separately</em></strong>.</p>
+<p class="leftbar">
+If this seems unreasonable we suggest you wait until the next contest, and in
+the interim ponder this modified quote purportedly said by Bill Gates:
+</p>
+<p class="leftbar">
+<blockquote>
+<p>10 submissions ought to be enough for anybody. :-)</p>
+<p>– Bill Gates</p>
+</blockquote>
+</p>
 <p>Jump to: <a href="#">top</a></p>
 <div id="rule10">
 <h2 id="rule-10">Rule 10</h2>
@@ -945,8 +956,8 @@ Your <strong>xz compressed tarball</strong> submission file must pass the tests
 </p></li>
 </ul>
 <p class="leftbar">
-The resulting directory produced when your <strong>xz compressed tarball</strong> submission file uncompressed,
-must pass the pass the checks performed by:
+The resulting directory produced when your <strong>xz compressed tarball</strong> submission file uncompressed
+must pass the checks performed by:
 </p>
 <ul>
 <li><p class="leftbar">
@@ -967,7 +978,10 @@ would produce as well as pass the tests performed by:
 </p>
 <ul>
 <li><p class="leftbar">
-<code>jparse(1)</code>
+<code>jparse(3)</code>
+</p></li>
+<li><p class="leftbar">
+<code>chkentry(1)</code>
 </p></li>
 </ul>
 <h3 id="tldr-rule-17---use-mkiocccentry1-to-form-your-submission">TL;DR Rule 17 - Use <code>mkiocccentry(1)</code> to form your submission</h3>
@@ -978,8 +992,8 @@ limits in order to be sure you submission conforms to this rule.</p>
 <p>Using command line flags or input prompts to override checks and
 limits made by the above mentioned tools is <strong>NOT</strong> recommended
 and may result in your submission being rejected by the <a href="https://submit.ioccc.org">IOCCC
-submit server</a> and/or the [IOCCC
-Judges[(../judges.html).</p>
+submit server</a> and/or the <a href="../judges.html">IOCCC
+Judges</a>.</p>
 <p class="leftbar">
 See the
 FAQ on the “<a href="../faq.html#mkiocccentry">mkiocccentry tool</a>
@@ -1043,7 +1057,7 @@ removed by the <code>clobber</code> rule.
 </p>
 <p class="leftbar">
 Your <code>Makefile</code> <strong>MUST</strong> use a syntax that is compatible with <code>bash(1)</code>
-and GNU <code>make(1)</code>. You are <strong>ENCOURAGED</strong> to use set <code>SHELL= bash</code> in
+and GNU <code>make(1)</code>. You are <strong>ENCOURAGED</strong> to use <code>SHELL= bash</code> in
 your <code>Makefile</code>.
 </p>
 <p class="leftbar">