pink rectangles variant:

Original params for first design:
==============
<flame name="Apophysis-090329-100" version="Apophysis 2.08 beta 2" size="106 78" center="-0.0324524220649252 0.00300321372636314" scale="19.22" oversample="1" filter="0.2" quality="15" background="0 0 0" brightness="4" gamma="4" gamma_threshold="0.04" >
<xform weight="0.425" color="0" power="0.25" rectangles="0.75" coefs="-0.504576 -0.904547 0.629927 -0.111942 -0.127329 -0.493472" rectangles_x="1" rectangles_y="1" />
<xform weight="0.425" color="0.0625" power="0.25" rectangles="0.75" coefs="0.444728 0.873155 -0.7218 0.249024 -0.098995 -0.102277" rectangles_x="1" rectangles_y="1" />
<xform weight="0.425" color="0.125" power="0.25" rectangles="0.75" coefs="-0.078427 -0.801225 0.737514 -0.197039 0.429139 0.184285" rectangles_x="1" rectangles_y="1" />
<xform weight="0.425" color="0.1875" power="0.25" rectangles="0.75" coefs="-0.558007 -0.81832 0.38754 -0.28058 -0.075103 0.303082" rectangles_x="1" rectangles_y="1" />
<xform weight="0.05" color="0.25" symmetry="0.75" linear="0.75" power="0.25" coefs="0.717698 -0.098909 -0.048183 0.602908 -0.272301 -0.176134" />
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</flame>
=================
Tweaked it some more.
altered further:

<flame name="Apophysis-090329-100" version="Apophysis 2.08 beta 2" size="512 377" center="-0.101624341340366 -0.186641171794564" scale="170.777512781731" oversample="1" filter="0.2" quality="1" background="0 0 0" brightness="4" gamma="4" gamma_threshold="0.0399732620320856" >
<xform weight="0.402083333333333" color="0" horseshoe="0.25" power="0.1875" rectangles="0.5625" coefs="0.573613 0.617924 -0.42106 0.433284 -0.282468 -0.359191" rectangles_x="1" rectangles_y="1" />
<xform weight="0.402083333333333" color="0.171875" horseshoe="0.25" power="0.1875" rectangles="0.5625" coefs="-0.381475 -0.737526 0.192745 -0.471405 -0.470167 -0.110073" rectangles_x="1" rectangles_y="1" />
<xform weight="0.402083333333333" color="0.34375" horseshoe="0.25" power="0.1875" rectangles="0.5625" coefs="0.478351 0.586558 -0.321871 0.446545 0.173803 -0.205689" rectangles_x="1" rectangles_y="1" />
<xform weight="0.31875" color="0.140625" symmetry="0.25" linear="0.25" power="0.1875" rectangles="0.5625" coefs="0.287685 0.556887 -0.173529 0.260999 -0.056327 0.227312" rectangles_x="1" rectangles_y="1" />
<xform weight="0.0375" color="0.1875" symmetry="0.5625" linear="0.5625" horseshoe="0.25" power="0.1875" coefs="-0.708181 0.403283 -0.348088 -0.57959 -0.204226 -0.132101" />
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</flame>